feat(): [App] Initialized the app

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.js]
+ij_javascript_force_quote_style = true
+ij_javascript_use_double_quotes = false
+ij_javascript_spaces_within_imports = true
+
+[*.ts]
+ij_typescript_force_quote_style = true
+ij_typescript_use_double_quotes = false
+ij_typescript_spaces_within_imports = true
+
+[*.tsx]
+ij_typescript_force_quote_style = true
+ij_typescript_use_double_quotes = false
+ij_typescript_spaces_within_imports = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

.gitignore

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+.idea

chat-server/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

chat-server/index.js

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+import express from 'express';
+import cors from 'cors';
+import bodyParser from 'body-parser';
+import http from 'http';
+import { Server } from 'socket.io';
+
+const app = express();
+
+app.use(cors());
+
+app.use(bodyParser.json());
+
+const server = http.createServer(app);
+
+const io = new Server(server, {
+  cors: {
+    origin: '*',
+  },
+});
+
+app.get('/', (req, res) => {
+  res.send('<h1>Chat Server</h1>');
+});
+
+io.on('connection', (socket) => {
+  socket.on('chat', (message) => {
+    socket.broadcast.emit('chat', message);
+  });
+
+  socket.on('disconnect', () => {
+    socket.removeAllListeners();
+  });
+});
+
+server.listen(5000, () => {
+  console.log('listening on *:5000');
+});

chat-server/package.json

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+{
+  "name": "chat-server",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "nodemon index.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.20.2",
+    "cors": "^2.8.5",
+    "express": "^4.18.2",
+    "socket.io": "^4.7.2"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.1"
+  }
+}