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/async/bower.json

@@ -0,0 +1,17 @@
+{
+  "name": "async",
+  "main": "dist/async.js",
+  "ignore": [
+    "bower_components",
+    "lib",
+    "test",
+    "node_modules",
+    "perf",
+    "support",
+    "**/.*",
+    "*.config.js",
+    "*.json",
+    "index.js",
+    "Makefile"
+  ]
+}