fix

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "app.js",
   "scripts": {
-    "start": "node index.js",
+    "start": "nodemon index.js",
     "test": "echo \"Error: no test specified\" && exit 1",
     "heroku-postbuild": "cd client && npm install --only=dev && npm install && npm run build"
   },