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/bcrypt/test-docker.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -xe
+
+echo "Running on $(node -v)"
+
+# Cleanup
+rm -rf node_modules build-tmp-* lib/binding
+
+# Install build dependencies
+if [ -f /etc/alpine-release ]; then
+  apk add --no-cache --virtual .build-deps make gcc g++ python3
+fi
+
+su node -c "npm test; npx node-pre-gyp package"