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/front/factory/class.ShopStatuses.php

@@ -1,4 +1,4 @@
-<?
+<?php
 namespace front\factory;
 
 class ShopStatuses {
@@ -6,15 +6,15 @@ class ShopStatuses {
   // get_apilo_status_id
   static public function get_apilo_status_id( $status_id ) {
     global $mdb;
-    return $mdb -> get( 'pp_shop_statuses', 'apilo_status_id', [ 'id' => $status_id ] );
+    $repo = new \Domain\ShopStatus\ShopStatusRepository( $mdb );
+    return $repo->getApiloStatusId( (int)$status_id );
   }
 
   // get_shop_status_by_integration_status_id
   static public function get_shop_status_by_integration_status_id( $integration, $integration_status_id )
   {
     global $mdb;
-
-    if ( $integration == 'apilo' )
-      return $mdb -> get( 'pp_shop_statuses', 'id', [ 'apilo_status_id' => $integration_status_id ] );
+    $repo = new \Domain\ShopStatus\ShopStatusRepository( $mdb );
+    return $repo->getByIntegrationStatusId( (string)$integration, (int)$integration_status_id );
   }
 }