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/lodash/stubObject.js

@@ -0,0 +1,23 @@
+/**
+ * This method returns a new empty object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.13.0
+ * @category Util
+ * @returns {Object} Returns the new empty object.
+ * @example
+ *
+ * var objects = _.times(2, _.stubObject);
+ *
+ * console.log(objects);
+ * // => [{}, {}]
+ *
+ * console.log(objects[0] === objects[1]);
+ * // => false
+ */
+function stubObject() {
+  return {};
+}
+
+module.exports = stubObject;