refactor(starter): upgrade to new version of gatsby

.gitignore

@@ -1,8 +1,38 @@
-node_modules/
-.cache/
-public/
-npm-debug.log
-.eslintcache
-.gatsby-context.js
+# logs
+logs
+*.log
+
+# runtime data
+.DS_Store
+*.seed
+*.pid
+pids
+
+# editors
 .idea
-gatsby-starter-lumen.iml
+.vscode
+
+# build
+public
+
+# directory for instrumented libs generated by jscoverage
+lib-cov
+
+# coverage directory used by tools like istanbul
+coverage
+
+# swc
+.swc
+
+# node-waf configuration
+.lock-wscript
+
+# eslint cache
+.eslintcache
+
+# dependency directory
+node_modules
+
+# only apps should have lockfiles
+npm-shrinkwrap.json
+yarn.lock