chore(package): update nodemon to version 2.0.4

Closes #43

Author: greenkeeper[bot]

package.json

@@ -64,7 +64,7 @@
     "graphql-tools": "^2.18.0",
     "husky": "^0.14.3",
     "jest": "^22.0.6",
-    "nodemon": "^1.14.11",
+    "nodemon": "^2.0.4",
     "prettier": "^1.10.2",
     "semantic-release": "^12.4.1"
   },