Website restoration: Node.js backend, restored design, GitHub sync disabled

- Replaced broken .NET backend with Node.js/Express
- Restored original website design with purple gradient hero
- Updated homepage and shop pages with Bootstrap 5 responsive design
- Disabled GitHub remote sync - all code now stored locally only
- Created backup scripts and documentation
- All changes saved on Ubuntu server at /var/www/SkyArtShop

backend/node_modules/filelist/jakefile.js

@@ -0,0 +1,15 @@
+testTask('FileList', function () {
+  this.testFiles.include('test/*.js');
+});
+
+publishTask('FileList', function () {
+  this.packageFiles.include([
+  'jakefile.js',
+  'README.md',
+  'package.json',
+  'index.js',
+  'index.d.ts'
+  ]);
+});
+
+