update package.json

.gitignore

@@ -0,0 +1,21 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

package.json

@@ -14,5 +14,9 @@
     "build": "react-app-rewired build",
     "test": "react-app-rewired test --env=jsdom",
     "eject": "react-scripts eject"
+  },
+  "devDependencies": {
+    "react-app-rewire-hot-loader": "^1.0.0",
+    "react-app-rewired": "^1.4.1"
   }
 }