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/semver/functions/inc.js

@@ -0,0 +1,21 @@
+'use strict'
+
+const SemVer = require('../classes/semver')
+
+const inc = (version, release, options, identifier, identifierBase) => {
+  if (typeof (options) === 'string') {
+    identifierBase = identifier
+    identifier = options
+    options = undefined
+  }
+
+  try {
+    return new SemVer(
+      version instanceof SemVer ? version.version : version,
+      options
+    ).inc(release, identifier, identifierBase).version
+  } catch (er) {
+    return null
+  }
+}
+module.exports = inc