fix(package): update react-scripts to version 2.1.0

Author: greenkeeper[bot]

package.json

@@ -8,7 +8,7 @@
     "lodash": "^4.17.11",
     "react": "^16.5.2",
     "react-dom": "^16.5.2",
-    "react-scripts": "2.0.5"
+    "react-scripts": "2.1.0"
   },
   "scripts": {
     "start": "react-scripts start",