fix: Update CORS configuration

Author: AryamanSi17

backend/app.js

@@ -7,7 +7,7 @@ dotenv.config();
 const app = express();
 
 app.use(cors({
-    origin: 'http://localhost:5173',
+    origin: '*',
     credentials: true
 }));
 app.use(express.json());