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.

autoload/Shared/Tpl/Tpl.php

@@ -0,0 +1,63 @@
+<?php
+namespace Shared\Tpl;
+
+class Tpl
+{
+  protected $vars = array();
+
+  public static function view($file, $values = '')
+  {
+    $tpl = new self;
+    if (is_array($values)) foreach ($values as $key => $val)
+      $tpl->$key = $val;
+    return $tpl->render($file);
+  }
+
+  public function secureHTML($val)
+  {
+    $out = stripslashes($val);
+    $out = str_replace("'", "&#039;", $out);
+    $out = str_replace('"', "&#34;", $out);
+    $out = str_replace("<", "&lt;", $out);
+    $out = str_replace(">", "&gt;", $out);
+    return $out;
+  }
+
+  public function render($file)
+  {
+    $paths = [
+      'templates_user/' . $file . '.php',
+      'templates/' . $file . '.php',
+      '../templates_user/' . $file . '.php',
+      '../templates/' . $file . '.php',
+      $file . '.php',
+    ];
+
+    foreach ($paths as $path) {
+      if (file_exists($path)) {
+        return $this->renderFile($path);
+      }
+    }
+
+    return '<div class="alert alert-danger" role="alert">Nie znaleziono pliku widoku: <b>' . $file . '.php</b>';
+  }
+
+  private function renderFile($path)
+  {
+    ob_start();
+    include $path;
+    $out = ob_get_contents();
+    ob_end_clean();
+    return $out;
+  }
+
+  public function __set($name, $value)
+  {
+    $this->vars[$name] = $value;
+  }
+
+  public function __get($name)
+  {
+    return $this->vars[$name];
+  }
+}