chore(package): update nodemon to version 2.0.3

Closes #19

Author: greenkeeper[bot]

package.json

@@ -57,7 +57,7 @@
     "graphql-tools": "^2.5.1",
     "husky": "^0.14.3",
     "jest": "^21.2.1",
-    "nodemon": "^1.11.0",
+    "nodemon": "^2.0.3",
     "prettier": "^1.5.3",
     "semantic-release": "^8.2.0"
   },