package.json modified for hosting on heroku

@@ -4,7 +4,7 @@
   "description": "Anxiety Manager discord bot",
   "main": "main.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "start": "node main.js"
   },
   "author": "sab",
   "license": "ISC",
@@ -15,5 +15,8 @@
     "express": "^4.18.1",
     "quick.db": "^9.0.2",
     "random-puppy": "^1.1.0"
+  },
+  "engines": {
+    "node": "v16.14.2"
   }
 }