I deleted the files again! and fix .gitignore

@@ -2,3 +2,7 @@
 node_modules*
 node_modules*
 
 
 .vscode*
 .vscode*
+
+helloWorld.js
+
+package-lock.json
\ No newline at end of file

-var http = require('http');
-
-http.createServer(function (req, res) {
-    var path = req.url.replace(/\/?(?:\?.*)?$/, '').toLowerCase();
-    switch (path) {
-        case '':
-            res.writeHead(200, { 'Content-Type': 'text/plain' });
-            res.end('Homepage');
-            break;
-        case '/about':
-            res.writeHead(200, { 'Content-Type': 'text/plain' });
-            res.end('About');
-        default:
-            res.writeHead(404, { 'Content-Type': 'text/plain' });
-            res.end('Not Found');
-            break;
-    }
-}).listen(3000);
-
-console.log('Server started on localhost:3000; press Ctrl-C to terminate....');
\ No newline at end of file