fix: add vercel.json

Author: Om-Thanage

leaderboard_backend/server.js

@@ -14,12 +14,18 @@ connectToDb();
 
 // Middlewares
 app.use(cors({
-  origin: ['http://localhost:3000', 'https://notes-aid.minavkaria.tech', 'https://notes-aid-git-fork-om-thanage-main-minavkarias-projects.vercel.app', 'https://notes-d0qrfpgl6-minavkarias-projects.vercel.app'
-],
+  origin: [
+    'http://localhost:3000',
+    'https://notes-aid.minavkaria.tech',
+    'https://notes-aid-git-fork-om-thanage-main-minavkarias-projects.vercel.app',
+    'https://notes-d0qrfpgl6-minavkarias-projects.vercel.app'
+  ],
   credentials: true,
-  methods: ['GET', 'OPTIONS'],
+  methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
   allowedHeaders: ['Content-Type', 'Authorization'],
 }));
+app.options('*', cors());
+
 app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
 app.use(cookieParser());

leaderboard_backend/vercel.json

@@ -0,0 +1,15 @@
+{
+  "version": 2,
+  "builds": [
+    {
+      "src": "server.js",
+      "use": "@vercel/node"
+    }
+  ],
+  "routes": [
+    {
+      "src": "/(.*)",
+      "dest": "server.js"
+    }
+  ]
+}