chore(package): update nodemon to version 2.0.2

Closes #13

Author: greenkeeper[bot]

package.json

@@ -14,7 +14,7 @@
     "@babel/core": "^7.2.2",
     "@babel/node": "^7.2.2",
     "@babel/preset-env": "^7.2.0",
-    "nodemon": "^1.18.9"
+    "nodemon": "^2.0.2"
   },
   "dependencies": {
     "apollo-boost": "^0.1.22",