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/validator/lib/isAlpha.js

@@ -0,0 +1,31 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isAlpha;
+exports.locales = void 0;
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+var _alpha = require("./alpha");
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+function isAlpha(_str) {
+  var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'en-US';
+  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+  (0, _assertString.default)(_str);
+  var str = _str;
+  var ignore = options.ignore;
+  if (ignore) {
+    if (ignore instanceof RegExp) {
+      str = str.replace(ignore, '');
+    } else if (typeof ignore === 'string') {
+      str = str.replace(new RegExp("[".concat(ignore.replace(/[-[\]{}()*+?.,\\^$|#\\s]/g, '\\$&'), "]"), 'g'), ''); // escape regex for ignore
+    } else {
+      throw new Error('ignore should be instance of a String or RegExp');
+    }
+  }
+  if (locale in _alpha.alpha) {
+    return _alpha.alpha[locale].test(str);
+  }
+  throw new Error("Invalid locale '".concat(locale, "'"));
+}
+var locales = exports.locales = Object.keys(_alpha.alpha);