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/@mapbox/node-pre-gyp/lib/pre-binding.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const npg = require('..');
+const versioning = require('../lib/util/versioning.js');
+const napi = require('../lib/util/napi.js');
+const existsSync = require('fs').existsSync || require('path').existsSync;
+const path = require('path');
+
+module.exports = exports;
+
+exports.usage = 'Finds the require path for the node-pre-gyp installed module';
+
+exports.validate = function(package_json, opts) {
+  versioning.validate_config(package_json, opts);
+};
+
+exports.find = function(package_json_path, opts) {
+  if (!existsSync(package_json_path)) {
+    throw new Error(package_json_path + 'does not exist');
+  }
+  const prog = new npg.Run({ package_json_path, argv: process.argv });
+  prog.setBinaryHostProperty();
+  const package_json = prog.package_json;
+
+  versioning.validate_config(package_json, opts);
+  let napi_build_version;
+  if (napi.get_napi_build_versions(package_json, opts)) {
+    napi_build_version = napi.get_best_napi_build_version(package_json, opts);
+  }
+  opts = opts || {};
+  if (!opts.module_root) opts.module_root = path.dirname(package_json_path);
+  const meta = versioning.evaluate(package_json, opts, napi_build_version);
+  return meta.module;
+};