diff --git a/package.json b/package.json
index 77ff113..2bbb87c 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "bluebird": "^3.7.1",
     "classnames": "^2.2.6",
     "codecov": "^3.6.1",
-    "gatsby": "^2.18.0",
+    "gatsby": "^2.18.1",
     "gatsby-link": "^2.2.24",
     "gatsby-plugin-catch-links": "^2.1.17",
     "gatsby-plugin-feed": "^2.3.21",
@@ -61,7 +61,7 @@
     "gatsby-remark-external-links": "0.0.4",
     "gatsby-remark-images": "^3.1.32",
     "gatsby-remark-katex": "^3.1.17",
-    "gatsby-remark-prismjs": "^3.3.23",
+    "gatsby-remark-prismjs": "^3.3.24",
     "gatsby-remark-relative-images": "^0.2.3",
     "gatsby-remark-responsive-iframe": "^2.2.27",
     "gatsby-remark-smartypants": "^2.1.16",
diff --git a/yarn.lock b/yarn.lock
index 55e2da1..4a76d84 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1708,10 +1708,22 @@
     react-lifecycles-compat "^3.0.4"
     warning "^3.0.0"
 
+"@sindresorhus/is@^0.14.0":
+  version "0.14.0"
+  resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
+  integrity sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ==
+
 "@sindresorhus/is@^0.7.0":
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
 
+"@szmarczak/http-timer@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-1.1.2.tgz#b1665e2c461a2cd92f4c1bbf50d5454de0d4b421"
+  integrity sha512-XIB2XbzHTN6ieIjfIMV9hlVcfPU26s2vafYWQcZHWXHOxiaRZYEDKEwdl129Zyg50+foYV2jCgtrqSA6qNuNSA==
+  dependencies:
+    defer-to-connect "^1.0.1"
+
 "@types/babel__core@^7.1.0":
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.2.tgz#608c74f55928033fce18b99b213c16be4b3d114f"
@@ -2209,12 +2221,6 @@ amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
 
-ansi-align@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-2.0.0.tgz#c36aeccba563b89ceb556f3690f0b1d9e3547f7f"
-  dependencies:
-    string-width "^2.0.0"
-
 ansi-align@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-3.0.0.tgz#b536b371cf687caaef236c18d3e21fe3797467cb"
@@ -3012,19 +3018,7 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
 
-boxen@^1.2.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/boxen/-/boxen-1.3.0.tgz#55c6c39a8ba58d9c61ad22cd877532deb665a20b"
-  dependencies:
-    ansi-align "^2.0.0"
-    camelcase "^4.0.0"
-    chalk "^2.0.1"
-    cli-boxes "^1.0.0"
-    string-width "^2.0.0"
-    term-size "^1.2.0"
-    widest-line "^2.0.0"
-
-boxen@^3.2.0:
+boxen@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/boxen/-/boxen-3.2.0.tgz#fbdff0de93636ab4450886b6ff45b92d098f45eb"
   integrity sha512-cU4J/+NodM3IHdSL2yN8bqYqnmlBTidDR4RC7nJs61ZmtGz8VZzM3HLQX0zY5mrSmPtR3xWwsq2jOUQqFZN8+A==
@@ -3038,6 +3032,20 @@ boxen@^3.2.0:
     type-fest "^0.3.0"
     widest-line "^2.0.0"
 
+boxen@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/boxen/-/boxen-4.1.0.tgz#256f6b2eb09ba22ea558e5acc0a5ff637bf8ed03"
+  integrity sha512-Iwq1qOkmEsl0EVABa864Bbj3HCL4186DRZgFW/NrFs5y5GMM3ljsxzMLgOHdWISDRvcM8beh8q4tTNzXz+mSKg==
+  dependencies:
+    ansi-align "^3.0.0"
+    camelcase "^5.3.1"
+    chalk "^2.4.2"
+    cli-boxes "^2.2.0"
+    string-width "^4.1.0"
+    term-size "^2.1.0"
+    type-fest "^0.5.2"
+    widest-line "^3.1.0"
+
 brace-expansion@^1.0.0, brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -3314,6 +3322,19 @@ cacheable-request@^2.1.1:
     normalize-url "2.0.1"
     responselike "1.0.2"
 
+cacheable-request@^6.0.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-6.1.0.tgz#20ffb8bd162ba4be11e9567d823db651052ca912"
+  integrity sha512-Oj3cAGPCqOZX7Rz64Uny2GYAZNliQSqfbePrgAQ1wKAihYmCUnraBtJtKcGR4xz7wF+LoJC+ssFZvv5BgF9Igg==
+  dependencies:
+    clone-response "^1.0.2"
+    get-stream "^5.1.0"
+    http-cache-semantics "^4.0.0"
+    keyv "^3.0.0"
+    lowercase-keys "^2.0.0"
+    normalize-url "^4.1.0"
+    responselike "^1.0.2"
+
 call-me-maybe@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/call-me-maybe/-/call-me-maybe-1.0.1.tgz#26d208ea89e37b5cbde60250a15f031c16a4d66b"
@@ -3372,7 +3393,7 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
-camelcase@^4.0.0, camelcase@^4.1.0:
+camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
@@ -3414,10 +3435,6 @@ capture-exit@^2.0.0:
   dependencies:
     rsvp "^4.8.4"
 
-capture-stack-trace@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz#a6c0bbe1f38f3aa0b92238ecb6ff42c344d4135d"
-
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -3597,10 +3614,6 @@ ci-info@2.0.0, ci-info@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-2.0.0.tgz#67a9e964be31a51e15e5010d58e6f12834002f46"
 
-ci-info@^1.5.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.6.0.tgz#2ca20dbb9ceb32d4524a683303313f0304b1e497"
-
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
@@ -3632,10 +3645,6 @@ clean-stack@^2.0.0:
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
   integrity sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==
 
-cli-boxes@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
-
 cli-boxes@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-2.2.0.tgz#538ecae8f9c6ca508e3c3c95b453fe93cb4c168d"
@@ -3733,7 +3742,7 @@ clone-regexp@^2.1.0:
   dependencies:
     is-regexp "^2.0.0"
 
-clone-response@1.0.2:
+clone-response@1.0.2, clone-response@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
   dependencies:
@@ -3936,6 +3945,18 @@ configstore@^3.0.0:
     write-file-atomic "^2.0.0"
     xdg-basedir "^3.0.0"
 
+configstore@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-4.0.0.tgz#5933311e95d3687efb592c528b922d9262d227e7"
+  integrity sha512-CmquAXFBocrzaSM8mtGPMM/HiWmyIpr4CcJl/rgY2uCObZ/S7cKU0silxslqJejl+t/T9HS8E0PUNQD81JGUEQ==
+  dependencies:
+    dot-prop "^4.1.0"
+    graceful-fs "^4.1.2"
+    make-dir "^1.0.0"
+    unique-string "^1.0.0"
+    write-file-atomic "^2.0.0"
+    xdg-basedir "^3.0.0"
+
 configstore@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-5.0.0.tgz#37de662c7a49b5fe8dbcf8f6f5818d2d81ed852b"
@@ -4134,12 +4155,6 @@ create-emotion@^9.2.12:
     stylis "^3.5.0"
     stylis-rule-sheet "^0.0.10"
 
-create-error-class@^3.0.0:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
-  dependencies:
-    capture-stack-trace "^1.0.0"
-
 create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
@@ -4636,6 +4651,11 @@ default-gateway@^4.2.0:
     execa "^1.0.0"
     ip-regex "^2.1.0"
 
+defer-to-connect@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.0.tgz#b41bd7efa8508cef13f8456975f7a278c72833fd"
+  integrity sha512-WE2sZoctWm/v4smfCAdjYbrfS55JiMRdlY9ZubFhsYbteCK9+BvAx4YV7nPjYM6ZnX5BcoVKwfmyx9sIFTgQMQ==
+
 define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -6292,10 +6312,10 @@ fuzzy@^0.1.1:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/fuzzy/-/fuzzy-0.1.3.tgz#4c76ec2ff0ac1a36a9dccf9a00df8623078d4ed8"
 
-gatsby-cli@^2.8.12:
-  version "2.8.12"
-  resolved "https://registry.yarnpkg.com/gatsby-cli/-/gatsby-cli-2.8.12.tgz#e1d870a15258003b3ee6db68a24d5b6bc9d4368d"
-  integrity sha512-PlnkwmUugKSTPiLkGsgDWjevXNVItkRnnouJ++S60DKg3e7TB56Zth+L9XY/4S4IXkjIYnrxgTD98rEPA9M4Lg==
+gatsby-cli@^2.8.13:
+  version "2.8.13"
+  resolved "https://registry.yarnpkg.com/gatsby-cli/-/gatsby-cli-2.8.13.tgz#b48c937ed1b72b19c3509c8e6b4f45a4f111caca"
+  integrity sha512-Mv5D9Blzhmq1aH0V1r4kmVmb//x/WDze16rrTpbFQXp/siqpDoVXMyvzuXudCuASGdxSkanSl9NphHZYjJHJbA==
   dependencies:
     "@babel/code-frame" "^7.5.5"
     "@babel/runtime" "^7.7.2"
@@ -6313,7 +6333,7 @@ gatsby-cli@^2.8.12:
     fs-exists-cached "^1.0.0"
     fs-extra "^8.1.0"
     gatsby-core-utils "^1.0.20"
-    gatsby-telemetry "^1.1.38"
+    gatsby-telemetry "^1.1.39"
     hosted-git-info "^3.0.2"
     is-valid-path "^0.1.1"
     lodash "^4.17.15"
@@ -6332,7 +6352,7 @@ gatsby-cli@^2.8.12:
     source-map "0.7.3"
     stack-trace "^0.0.10"
     strip-ansi "^5.2.0"
-    update-notifier "^2.5.0"
+    update-notifier "^3.0.1"
     uuid "3.3.3"
     yargs "^12.0.5"
     yurnalist "^1.1.1"
@@ -6600,10 +6620,10 @@ gatsby-remark-katex@^3.1.17:
     remark-math "^1.0.6"
     unist-util-visit "^1.4.1"
 
-gatsby-remark-prismjs@^3.3.23:
-  version "3.3.23"
-  resolved "https://registry.yarnpkg.com/gatsby-remark-prismjs/-/gatsby-remark-prismjs-3.3.23.tgz#226033600e34fdd5bc2e0d0272a394b84b62aeeb"
-  integrity sha512-tekcv5oUv5ZMhBCccaip7ONpe6hYGqSCIYplc0JMNuN0p+B+cZ1nMDQrye0Ejq5fF/RE17bCBot5VbIlRlKbBQ==
+gatsby-remark-prismjs@^3.3.24:
+  version "3.3.24"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-prismjs/-/gatsby-remark-prismjs-3.3.24.tgz#4534d6cbfb868a1e298d5d22a085349e8256cee8"
+  integrity sha512-hYuI+XD0VTTpZvPWml21UODMi5hRPCt5zIWNuwR6dK0zOI1a5mSB6jeMdSWIgrMR3uZ5ww2gOS485aZ9YrpNog==
   dependencies:
     "@babel/runtime" "^7.7.2"
     parse-numeric-range "^0.0.2"
@@ -6664,15 +6684,15 @@ gatsby-source-filesystem@^2.1.38:
     valid-url "^1.0.9"
     xstate "^4.6.7"
 
-gatsby-telemetry@^1.1.38:
-  version "1.1.38"
-  resolved "https://registry.yarnpkg.com/gatsby-telemetry/-/gatsby-telemetry-1.1.38.tgz#e8ac949565b87e37699ccbd067f55cc2fe62793e"
-  integrity sha512-uT9o5RgX2Vc4OccGCCzQeav3BstEc1Ggko5/zeov5DJxCh7eW45T9Fqd6sbZDdC78uKEPqnNeNDixcflQDWQfg==
+gatsby-telemetry@^1.1.39:
+  version "1.1.39"
+  resolved "https://registry.yarnpkg.com/gatsby-telemetry/-/gatsby-telemetry-1.1.39.tgz#ddc9e77305d6c8495dd95ea5731d20314beab061"
+  integrity sha512-BVehM0m26YafYpL618x/7QKlV2pArSiuByShponqme7hNXyprv+iwlyl8j5HFunhDMBooe9JpScHpKJmIMV7fA==
   dependencies:
     "@babel/code-frame" "^7.5.5"
     "@babel/runtime" "^7.7.2"
     bluebird "^3.7.1"
-    boxen "^3.2.0"
+    boxen "^4.1.0"
     configstore "^5.0.0"
     envinfo "^7.4.0"
     fs-extra "^8.1.0"
@@ -6727,10 +6747,10 @@ gatsby-transformer-sharp@^2.3.5:
     semver "^5.7.1"
     sharp "^0.23.2"
 
-gatsby@^2.18.0:
-  version "2.18.0"
-  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.18.0.tgz#d21e4f0f56006bff913c940e79732db4e42ea319"
-  integrity sha512-zEMd+6sJ4tkggqkAzVfJouRY5g0+MtqMOBz8tQ7bk04WIkaZJrDVyDJXcnVnmaW9y8MJmHVdHA675t4I0vZc3A==
+gatsby@^2.18.1:
+  version "2.18.1"
+  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.18.1.tgz#bb8eb085af7ecb714f58024c0548a7aa54a7a224"
+  integrity sha512-eGO5RlZ9m4xqNj/OSWISoKnvtfVWNmh+Ymo9d49vRtBGRTlgdcCRXZt+nCcLnIgTur94N42/+Vl2o7AyfgXcJg==
   dependencies:
     "@babel/code-frame" "^7.5.5"
     "@babel/core" "^7.7.2"
@@ -6792,13 +6812,13 @@ gatsby@^2.18.0:
     flat "^4.1.0"
     fs-exists-cached "1.0.0"
     fs-extra "^8.1.0"
-    gatsby-cli "^2.8.12"
+    gatsby-cli "^2.8.13"
     gatsby-core-utils "^1.0.20"
     gatsby-graphiql-explorer "^0.2.28"
     gatsby-link "^2.2.24"
     gatsby-plugin-page-creator "^2.1.31"
     gatsby-react-router-scroll "^2.1.16"
-    gatsby-telemetry "^1.1.38"
+    gatsby-telemetry "^1.1.39"
     glob "^7.1.6"
     got "8.3.2"
     graphql "^14.5.8"
@@ -6929,13 +6949,13 @@ get-stream@^2.2.0:
     object-assign "^4.0.1"
     pinkie-promise "^2.0.0"
 
-get-stream@^4.0.0:
+get-stream@^4.0.0, get-stream@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"
   dependencies:
     pump "^3.0.0"
 
-get-stream@^5.0.0:
+get-stream@^5.0.0, get-stream@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-5.1.0.tgz#01203cdc92597f9b909067c3e656cc1f4d3c4dc9"
   integrity sha512-EXr1FOzrzTfGeL0gQdeFEvOMm2mzMOglyiOXSTpPC+iAjAKftbr3jpCMWynogwYnM+eSj9sHGc6wjIcDvYiygw==
@@ -7190,22 +7210,6 @@ got@8.3.2, got@^8.3.1, got@^8.3.2:
     url-parse-lax "^3.0.0"
     url-to-options "^1.0.1"
 
-got@^6.7.1:
-  version "6.7.1"
-  resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
-  dependencies:
-    create-error-class "^3.0.0"
-    duplexer3 "^0.1.4"
-    get-stream "^3.0.0"
-    is-redirect "^1.0.0"
-    is-retry-allowed "^1.0.0"
-    is-stream "^1.0.0"
-    lowercase-keys "^1.0.0"
-    safe-buffer "^5.0.1"
-    timed-out "^4.0.0"
-    unzip-response "^2.0.1"
-    url-parse-lax "^1.0.0"
-
 got@^7.0.0, got@^7.1.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
@@ -7225,6 +7229,23 @@ got@^7.0.0, got@^7.1.0:
     url-parse-lax "^1.0.0"
     url-to-options "^1.0.1"
 
+got@^9.6.0:
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
+  integrity sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==
+  dependencies:
+    "@sindresorhus/is" "^0.14.0"
+    "@szmarczak/http-timer" "^1.1.2"
+    cacheable-request "^6.0.0"
+    decompress-response "^3.3.0"
+    duplexer3 "^0.1.4"
+    get-stream "^4.1.0"
+    lowercase-keys "^1.0.1"
+    mimic-response "^1.0.1"
+    p-cancelable "^1.0.0"
+    to-readable-stream "^1.0.0"
+    url-parse-lax "^3.0.0"
+
 gotrue-js@^0.9.24:
   version "0.9.25"
   resolved "https://registry.yarnpkg.com/gotrue-js/-/gotrue-js-0.9.25.tgz#eb9a3c76a2d08629afcda7872a60924d5d671c6a"
@@ -7427,6 +7448,11 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
+has-yarn@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/has-yarn/-/has-yarn-2.1.0.tgz#137e11354a7b5bf11aa5cb649cf0c6f3ff2b2e77"
+  integrity sha512-UqBRqi4ju7T+TqGNdqAO0PaSVGsDGJUBQvk9eUWNGRY1CFGDzYhLWoM7JQEemnlvVcv/YEmc2wNW8BC24EnUsw==
+
 has@^1.0.0, has@^1.0.1, has@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
@@ -7738,6 +7764,11 @@ http-cache-semantics@3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz#39b0e16add9b605bf0a9ef3d9daaf4843b4cacd2"
 
+http-cache-semantics@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz#495704773277eeef6e43f9ab2c2c7d259dda25c5"
+  integrity sha512-TcIMG3qeVLgDr1TEd2XvHaTnMPwYQUQMIBLy+5pLSDKYFc7UIqj39w8EGzZkaxoLv/l2K8HaI0t5AVA+YYgUew==
+
 http-deceiver@^1.2.7:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/http-deceiver/-/http-deceiver-1.2.7.tgz#fa7168944ab9a519d337cb0bec7284dc3e723d87"
@@ -8244,12 +8275,6 @@ is-callable@^1.1.3, is-callable@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
 
-is-ci@^1.0.10:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.1.tgz#e3779c8ee17fccf428488f6e281187f2e632841c"
-  dependencies:
-    ci-info "^1.5.0"
-
 is-ci@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-2.0.0.tgz#6bc6334181810e04b5c22b3d589fdca55026404c"
@@ -8419,9 +8444,10 @@ is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
 
-is-npm@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-npm/-/is-npm-1.0.0.tgz#f2fb63a65e4905b406c86072765a1a4dc793b9f4"
+is-npm@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-npm/-/is-npm-3.0.0.tgz#ec9147bfb629c43f494cf67936a961edec7e8053"
+  integrity sha512-wsigDr1Kkschp2opC4G3yA6r9EgVA6NjRpWzIi9axXqeIaAATPRJc4uLujXe3Nd9uO8KoDyA4MD6aZSeXTADhA==
 
 is-number@^3.0.0:
   version "3.0.0"
@@ -8498,10 +8524,6 @@ is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
 
-is-redirect@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-redirect/-/is-redirect-1.0.0.tgz#1d03dded53bd8db0f30c26e4f95d36fc7c87dc24"
-
 is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
@@ -8625,6 +8647,11 @@ is-wsl@^2.1.1:
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-2.1.1.tgz#4a1c152d429df3d441669498e2486d3596ebaf1d"
   integrity sha512-umZHcSrwlDHo2TGMXv0DZ8dIUGunZ2Iv68YZnrmCiBPkZ4aaOhtv7pXJKeki9k3qJ3RJr0cDyitcl5wEH3AYog==
 
+is-yarn-global@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/is-yarn-global/-/is-yarn-global-0.3.0.tgz#d502d3382590ea3004893746754c89139973e232"
+  integrity sha512-VjSeb/lHmkoyd8ryPVIKvOCn4D1koMqY+vqyjjUfc3xyKtP4dYOxM44sZrnqQSzSds3xyOrUTLTC9LVCVgLngw==
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -9279,6 +9306,13 @@ keyv@3.0.0:
   dependencies:
     json-buffer "3.0.0"
 
+keyv@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/keyv/-/keyv-3.1.0.tgz#ecc228486f69991e49e9476485a5be1e8fc5c4d9"
+  integrity sha512-9ykJ/46SN/9KPM/sichzQ7OvXyGDYKGTaDlKMGCAlg2UK8KRy4jb0d8sFc+0Tt0YYnThq8X2RZgCg74RPxgcVA==
+  dependencies:
+    json-buffer "3.0.0"
+
 killable@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.1.tgz#4c8ce441187a061c7474fb87ca08e2a638194892"
@@ -9320,11 +9354,12 @@ last-call-webpack-plugin@^3.0.0:
     lodash "^4.17.5"
     webpack-sources "^1.1.0"
 
-latest-version@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-3.1.0.tgz#a205383fea322b33b5ae3b18abee0dc2f356ee15"
+latest-version@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-5.1.0.tgz#119dfe908fe38d15dfa43ecd13fa12ec8832face"
+  integrity sha512-weT+r0kTkRQdCdYCNtkMwWXQTMEswKrFBkm4ckQOMVhhqhIMI1UT2hMj+1iigIhgSZm5gTmrRXBNoGUgaTY1xA==
   dependencies:
-    package-json "^4.0.0"
+    package-json "^6.3.0"
 
 lcid@^1.0.0:
   version "1.0.0"
@@ -9675,10 +9710,15 @@ lowercase-keys@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
 
-lowercase-keys@^1.0.0:
+lowercase-keys@^1.0.0, lowercase-keys@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
 
+lowercase-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
+  integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
+
 lpad-align@^1.0.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/lpad-align/-/lpad-align-1.1.2.tgz#21f600ac1c3095c3c6e497ee67271ee08481fe9e"
@@ -10057,7 +10097,7 @@ mimic-fn@^2.0.0, mimic-fn@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
 
-mimic-response@^1.0.0:
+mimic-response@^1.0.0, mimic-response@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
 
@@ -10799,6 +10839,11 @@ normalize-url@^3.0.0, normalize-url@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-3.3.0.tgz#b2e1c4dc4f7c6d57743df733a4f5978d18650559"
 
+normalize-url@^4.1.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
+  integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
+
 npm-bundled@^1.0.1:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
@@ -11137,6 +11182,11 @@ p-cancelable@^0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.4.1.tgz#35f363d67d52081c8d9585e37bcceb7e0bbcb2a0"
 
+p-cancelable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-1.1.0.tgz#d078d15a3af409220c886f1d9a0ca2e441ab26cc"
+  integrity sha512-s73XxOZ4zpt1edZYZzvhqFa6uvQc1vwUa0K0BdtIZgQMAJj9IbebH+JkgKZc9h+B05PKHLOTl4ajG1BmNrVZlw==
+
 p-defer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
@@ -11256,14 +11306,15 @@ p-try@^2.0.0, p-try@^2.1.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
 
-package-json@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/package-json/-/package-json-4.0.1.tgz#8869a0401253661c4c4ca3da6c2121ed555f5eed"
+package-json@^6.3.0:
+  version "6.5.0"
+  resolved "https://registry.yarnpkg.com/package-json/-/package-json-6.5.0.tgz#6feedaca35e75725876d0b0e64974697fed145b0"
+  integrity sha512-k3bdm2n25tkyxcjSKzB5x8kfVxlMdgsbPr0GkZcwHsLpba6cBjqCt1KlcChKEvxHIcTB1FVMuwoijZ26xex5MQ==
   dependencies:
-    got "^6.7.1"
-    registry-auth-token "^3.0.1"
-    registry-url "^3.0.3"
-    semver "^5.1.0"
+    got "^9.6.0"
+    registry-auth-token "^4.0.0"
+    registry-url "^5.0.0"
+    semver "^6.2.0"
 
 pako@^1.0.5, pako@~1.0.5:
   version "1.0.10"
@@ -12405,7 +12456,7 @@ rbush@2.0.2:
   dependencies:
     quickselect "^1.0.1"
 
-rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
+rc@^1.2.7, rc@^1.2.8:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
   dependencies:
@@ -13033,18 +13084,20 @@ regexpu-core@^4.6.0:
     unicode-match-property-ecmascript "^1.0.4"
     unicode-match-property-value-ecmascript "^1.1.0"
 
-registry-auth-token@^3.0.1:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-3.4.0.tgz#d7446815433f5d5ed6431cd5dca21048f66b397e"
+registry-auth-token@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-4.0.0.tgz#30e55961eec77379da551ea5c4cf43cbf03522be"
+  integrity sha512-lpQkHxd9UL6tb3k/aHAVfnVtn+Bcs9ob5InuFLLEDqSqeq+AljB8GZW9xY0x7F+xYwEcjKe07nyoxzEYz6yvkw==
   dependencies:
-    rc "^1.1.6"
+    rc "^1.2.8"
     safe-buffer "^5.0.1"
 
-registry-url@^3.0.3:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/registry-url/-/registry-url-3.1.0.tgz#3d4ef870f73dde1d77f0cf9a381432444e174942"
+registry-url@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/registry-url/-/registry-url-5.1.0.tgz#e98334b50d5434b81136b44ec638d9c2009c5009"
+  integrity sha512-8acYXXTI0AkQv6RAOjE3vOaIXZkT9wo4LOFbBKYQEEnnMNBpKqdUrI6S4NT0KPIo/WVvJ5tE/X5LF/TQUf0ekw==
   dependencies:
-    rc "^1.0.1"
+    rc "^1.2.8"
 
 regjsgen@^0.2.0:
   version "0.2.0"
@@ -13415,7 +13468,7 @@ resolve@^1.12.0:
   dependencies:
     path-parse "^1.0.6"
 
-responselike@1.0.2:
+responselike@1.0.2, responselike@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
   dependencies:
@@ -13741,7 +13794,7 @@ semver-truncate@^1.1.2:
   dependencies:
     semver "^5.3.0"
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
+"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
 
@@ -14493,15 +14546,7 @@ string-width@^3.0.0, string-width@^3.1.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
-string-width@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.1.0.tgz#ba846d1daa97c3c596155308063e075ed1c99aff"
-  dependencies:
-    emoji-regex "^8.0.0"
-    is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^5.2.0"
-
-string-width@^4.2.0:
+string-width@^4.0.0, string-width@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.0.tgz#952182c46cc7b2c313d1596e623992bd163b72b5"
   integrity sha512-zUz5JD+tgqtuDjMhwIg5uFVV3dtqZ9yQJlZVfq4I01/K5Paj5UHj7VyrQOJvzawSVlKpObApbfD0Ed6yJc+1eg==
@@ -14510,6 +14555,14 @@ string-width@^4.2.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
+string-width@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.1.0.tgz#ba846d1daa97c3c596155308063e075ed1c99aff"
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^5.2.0"
+
 string.prototype.trim@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
@@ -14964,6 +15017,11 @@ term-size@^1.2.0:
   dependencies:
     execa "^0.7.0"
 
+term-size@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/term-size/-/term-size-2.1.0.tgz#3aec444c07a7cf936e157c1dc224b590c3c7eef2"
+  integrity sha512-I42EWhJ+2aeNQawGx1VtpO0DFI9YcfuvAMNIdKyf/6sRbHJ4P+ZQ/zIT87tE+ln1ymAGcCJds4dolfSAS0AcNg==
+
 terser-webpack-plugin@1.4.1, terser-webpack-plugin@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz#61b18e40eaee5be97e771cdbb10ed1280888c2b4"
@@ -15092,6 +15150,11 @@ to-object-path@^0.3.0:
   dependencies:
     kind-of "^3.0.2"
 
+to-readable-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/to-readable-stream/-/to-readable-stream-1.0.0.tgz#ce0aa0c2f3df6adf852efb404a783e77c0475771"
+  integrity sha512-Iq25XBt6zD5npPhlLVXGFN3/gyR2/qODcKNNyTMd4vbm39HUaOiAM4PMq0eMVC/Tkxz+Zjdsc55g9yyz+Yq00Q==
+
 to-regex-range@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
@@ -15555,10 +15618,6 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
-unzip-response@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-2.0.1.tgz#d2f0f737d16b0615e72a6935ed04214572d56f97"
-
 unzipper@^0.9.3:
   version "0.9.15"
   resolved "https://registry.yarnpkg.com/unzipper/-/unzipper-0.9.15.tgz#97d99203dad17698ee39882483c14e4845c7549c"
@@ -15577,19 +15636,21 @@ upath@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
 
-update-notifier@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-2.5.0.tgz#d0744593e13f161e406acb1d9408b72cad08aff6"
-  integrity sha512-gwMdhgJHGuj/+wHJJs9e6PcCszpxR1b236igrOkUofGhqJuG+amlIKwApH1IW1WWl7ovZxsX49lMBWLxSdm5Dw==
+update-notifier@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-3.0.1.tgz#78ecb68b915e2fd1be9f767f6e298ce87b736250"
+  integrity sha512-grrmrB6Zb8DUiyDIaeRTBCkgISYUgETNe7NglEbVsrLWXeESnlCSP50WfRSj/GmzMPl6Uchj24S/p80nP/ZQrQ==
   dependencies:
-    boxen "^1.2.1"
+    boxen "^3.0.0"
     chalk "^2.0.1"
-    configstore "^3.0.0"
+    configstore "^4.0.0"
+    has-yarn "^2.1.0"
     import-lazy "^2.1.0"
-    is-ci "^1.0.10"
+    is-ci "^2.0.0"
     is-installed-globally "^0.1.0"
-    is-npm "^1.0.0"
-    latest-version "^3.0.0"
+    is-npm "^3.0.0"
+    is-yarn-global "^0.3.0"
+    latest-version "^5.0.0"
     semver-diff "^2.0.0"
     xdg-basedir "^3.0.0"
 
@@ -16066,6 +16127,13 @@ widest-line@^2.0.0:
   dependencies:
     string-width "^2.1.1"
 
+widest-line@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/widest-line/-/widest-line-3.1.0.tgz#8292333bbf66cb45ff0de1603b136b7ae1496eca"
+  integrity sha512-NsmoXalsWVDMGupxZ5R08ka9flZjjiLvHVAWYOKtiKM8ujtZWr9cRffak+uSE48+Ob8ObalXpwyeUiyDD6QFgg==
+  dependencies:
+    string-width "^4.0.0"
+
 windows-release@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/windows-release/-/windows-release-3.2.0.tgz#8122dad5afc303d833422380680a79cdfa91785f"