feat: Add Node.js static file server and update package.json

package.json

@@ -0,0 +1,22 @@
+{
+  "name": "localm",
+  "version": "1.0.1",
+  "description": "",
+  "main": "chat-full.js",
+  "scripts": {
+    "start": "node serve.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/oyin-bo/localm.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "bugs": {
+    "url": "https://github.com/oyin-bo/localm/issues"
+  },
+  "homepage": "https://github.com/oyin-bo/localm#readme"
+}

serve.js

@@ -0,0 +1,22 @@
+const http = require('http'), fs = require('fs'), path = require('path');
+
+http.createServer((req, res) => {
+  const file = '.' + (req.url === '/' ? '/index.html' : req.url);
+
+  fs.readFile(file, (err, data) => {
+    if (err) {
+      res.writeHead(404);
+      return res.end(String(err));
+    }
+
+    const ext = path.extname(file);
+    const contentType = {
+      '.html': 'text/html',
+      '.js': 'text/javascript',
+      '.css': 'text/css'
+    }[ext] || 'text/plain';
+
+    res.writeHead(200, { 'Content-Type': contentType });
+    res.end(data);
+  });
+}).listen(8000, () => console.log('Serving on port 8000'));