fix(package): update nodemon to version 2.0.2

Closes #13

Author: greenkeeper[bot]

package.json

@@ -15,7 +15,7 @@
     "mongoose": "^5.0.2",
     "morgan": "^1.9.0",
     "morgan-body": "^2.3.1",
-    "nodemon": "^1.17.2",
+    "nodemon": "^2.0.2",
     "pug": "^2.0.1"
   }
 }