Add view classes for articles, banners, languages, menu, newsletter, containers, shop categories, clients, payment methods, products, and search

- Created `Articles` class for rendering article views including full articles, miniature lists, and news sections.
- Added `Banners` class for handling banner displays.
- Introduced `Languages` class for rendering language options.
- Implemented `Menu` class for rendering page and menu structures.
- Developed `Newsletter` class for newsletter rendering.
- Created `Scontainers` class for rendering specific containers.
- Added `ShopCategory` class for managing shop category views and pagination.
- Implemented `ShopClient` class for client-related views including address management and login forms.
- Created `ShopPaymentMethod` class for displaying payment methods in the basket.
- Added `ShopProduct` class for generating product URLs.
- Introduced `ShopSearch` class for rendering a simple search form.
- Added `.htaccess` file in the plugins directory to enhance security by restricting access to sensitive files and directories.

templates_user/shop-basket/_partials/product-custom-fields.php

@@ -3,7 +3,7 @@
     <div class="custom-field">
       <div class="_name">
         <?
-          $custom_field = \shop\ProductCustomField::getFromCache( $key );
+          $custom_field = ( new \Domain\Product\ProductRepository( $GLOBALS['mdb'] ) )->findCustomFieldCached( $key );
           echo $custom_field['name'] . ':';
         ?>
       </div>
@@ -12,4 +12,4 @@
       </div>
     </div>
   <? endif;?>
-<? endforeach; endif;?>
+<? endforeach; endif;?>