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/factory/class.Integrations.php

@@ -4,7 +4,7 @@ namespace admin\factory;
 /**
  * Fasada kompatybilnosci wstecznej.
  * Deleguje do Domain\Integrations\IntegrationsRepository.
- * Uzywane przez: cron.php, shop\Order, admin\controls\ShopStatuses, admin\controls\ShopTransport, admin\controls\ShopPaymentMethod, admin\controls\ShopProduct.
+ * Uzywane przez: cron.php, shop\Order, admin\Controllers\ShopStatusesController, admin\controls\ShopTransport, admin\controls\ShopPaymentMethod, admin\controls\ShopProduct.
  */
 class Integrations {
 

autoload/admin/factory/class.ShopStatuses.php

@@ -1,24 +0,0 @@
-<?
-namespace admin\factory;
-
-class ShopStatuses {
-  // get_status
-  public static function get_status( $id )
-  {
-    global $mdb;
-    return $mdb -> get( 'pp_shop_statuses', '*', [ 'id' => $id ] );
-  }
-
-  // status_save
-  public static function status_save( $status_id, $color, $apilo_status_id )
-  {
-    global $mdb;
-
-    $mdb -> update( 'pp_shop_statuses', [
-        'color' => $color,
-        'apilo_status_id' => $apilo_status_id ? $apilo_status_id : null,
-      ], [ 'id' => $status_id ] );
-
-    return $status_id;
-  }
-}