refactor(shop-statuses): migrate to DI, restructure docs into docs/ folder (0.268)

- Migrate ShopStatuses module to Domain + DI architecture
- Add ShopStatusRepository, ShopStatusesController with color picker
- Convert front\factory\ShopStatuses to facade
- Add FormFieldType::COLOR with HTML5 color picker
- Move documentation files to docs/ folder (PROJECT_STRUCTURE, REFACTORING_PLAN, CHANGELOG, FORM_EDIT_SYSTEM, TESTING, DATABASE_STRUCTURE)
- Tests: 254 tests, 736 assertions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

autoload/admin/class.Site.php

@@ -332,6 +332,13 @@ class Site
           new \Domain\Integrations\IntegrationsRepository( $mdb )
         );
       },
+      'ShopStatuses' => function() {
+        global $mdb;
+
+        return new \admin\Controllers\ShopStatusesController(
+          new \Domain\ShopStatus\ShopStatusRepository( $mdb )
+        );
+      },
     ];
 
     return self::$newControllers;