{"app.js": "import express from 'express'; const app = express(); app.get('/', (req, res) => { res.send('Hello World!'); }); app.listen(3000, () => { console.log('Server is running on port 3000'); });", "package.json": "{ "name": "express-server", "version": "1.0.0", "description": "Express server with ES6 features", "main": "app.js", "type": "module", "scripts": { "start": "node app.js" }, "keywords": [ "express", "es6", "server" ], "author": "Your Name", "license": "ISC", "dependencies": { "express": "^4.18.2" } }"}