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/site/languages.php

@@ -7,7 +7,7 @@
           <ul>
             <? foreach ( $this -> languages as $lg ):?>
               <li <? if ( $lang_id == $lg['id'] ) echo 'class="active"';?>>
-                <a href="<?= \front\factory\Pages::lang_url( $page['id'], $lg['id'] );?>" title="Język: <?= $lg['name'];?>">
+                <a href="<?= ( new \Domain\Pages\PagesRepository( $GLOBALS['mdb'] ) )->frontLangUrl( $page['id'], $lg['id'] );?>" title="Język: <?= $lg['name'];?>">
                   <img src="/admin/css/lang-<?= $lg['id'];?>.jpg" alt="Język: <?= $lg['name'];?>">
                 </a>
               </li>