chore(package): update airbnb-js-shims to version 2.1.0

Closes #31

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
   },
   "homepage": "https://github.com/airbnb/react-with-styles-interface-react-native#readme",
   "devDependencies": {
-    "airbnb-js-shims": "^1.3.0",
+    "airbnb-js-shims": "^2.1.0",
     "babel-cli": "^6.26.0",
     "babel-preset-airbnb": "^2.4.0",
     "babel-register": "^6.26.0",