Use DB to check if challenge exists, instead of API

Author: jmgasper

package.json

@@ -5,6 +5,7 @@
   "main": "app.js",
   "scripts": {
     "start": "node app.js",
+    "start:dev": "nodemon app.js",
     "postinstall": "npm run prisma:generate",
     "lint": "standard",
     "lint:fix": "standard --fix",
@@ -34,6 +35,7 @@
     "mocha": "^5.2.0",
     "mocha-prepare": "^0.1.0",
     "nock": "^10.0.6",
+    "nodemon": "^3.1.9",
     "nyc": "^14.0.0",
     "prisma": "^6.5.0",
     "should": "^13.2.3",