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/dunder-proto/set.d.ts

@@ -0,0 +1,5 @@
+declare function setDunderProto<P extends null | object>(target: {}, proto: P): P;
+
+declare const x: false | typeof setDunderProto;
+
+export = x;