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/shop-client/client-menu.php

@@ -1,10 +1,10 @@
 <div class="client-menu">
   <ul>
     <li>
-      <a href="/panel-klienta/zamowienia" title="<?= \S::lang( 'historia-zamowien' );?>" class="btn btn-success <? if ( $this -> active_page == 'orders' ):?>active<? endif;?>"><?= \S::lang( 'historia-zamowien' );?></a>
+      <a href="/panel-klienta/zamowienia" title="<?= \Shared\Helpers\Helpers::lang( 'historia-zamowien' );?>" class="btn btn-success <? if ( $this -> active_page == 'orders' ):?>active<? endif;?>"><?= \Shared\Helpers\Helpers::lang( 'historia-zamowien' );?></a>
     </li>
     <li>
-      <a href="/panel-klienta/adresy" title="<?= \S::lang( 'adresy' );?>" class="btn btn-success <? if ( $this -> active_page == 'addresses' ):?>active<? endif;?>"><?= \S::lang( 'adresy' );?></a>
+      <a href="/panel-klienta/adresy" title="<?= \Shared\Helpers\Helpers::lang( 'adresy' );?>" class="btn btn-success <? if ( $this -> active_page == 'addresses' ):?>active<? endif;?>"><?= \Shared\Helpers\Helpers::lang( 'adresy' );?></a>
     </li>
   </ul>
 </div>