Created file structure and initialized express.js backend

app/backend/index.js

@@ -0,0 +1,14 @@
+// backend/index.js
+const express = require('express');
+ 
+const PORT = process.env.PORT || 3010;
+const app = express();
+ 
+app.use((req, res, next) => {
+  res.setHeader('Access-Control-Allow-Origin', '*');
+  next();
+});
+ 
+app.listen(PORT, () => {
+  console.log(`Server listening on ${PORT}`);
+});

app/backend/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "start": "node ./index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "express": "^4.19.2"
+  }
+}