Add url-loader

package.json

@@ -12,10 +12,7 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "deploy": "gatsby build --prefix-links && gh-pages -d public"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/alxshelepenok/gatsby-starter-lumen.git"
-  },
+  "repository": "git+https://github.com/alxshelepenok/gatsby-starter-lumen.git",
   "keywords": [
     "gatsby",
     "blog",
@@ -46,19 +43,20 @@
     "gatsby-transformer-sharp": "^1.6.13",
     "lodash": "^4.17.2",
     "react-disqus-comments": "^1.1.1",
-    "typeface-roboto": "latest"
+    "typeface-roboto": "latest",
+    "url-loader": "^0.6.2"
   },
   "devDependencies": {
-    "postcss-pxtorem": "^4.0.1",
+    "babel-eslint": "^7.2.3",
     "eslint": "^3.x",
     "eslint-config-airbnb": "^13.0.0",
     "eslint-plugin-import": "^2.2.x",
     "eslint-plugin-jsx-a11y": "^2.2.3",
     "eslint-plugin-react": "^6.8.0",
-    "babel-eslint": "^7.2.3",
     "file-loader": "^0.10.0",
     "gh-pages": "^0.12.0",
     "lost": "^8.2.0",
+    "postcss-pxtorem": "^4.0.1",
     "prettier": "^1.7.4"
   }
-}
+}