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/call-bind-apply-helpers/applyBind.js

@@ -0,0 +1,10 @@
+'use strict';
+
+var bind = require('function-bind');
+var $apply = require('./functionApply');
+var actualApply = require('./actualApply');
+
+/** @type {import('./applyBind')} */
+module.exports = function applyBind() {
+	return actualApply(bind, $apply, arguments);
+};