Add Ceneo Trusted Reviews module with initial implementation

- Created Html helper class for displaying information and translations.
- Added index.php files for various directories to prevent direct access.
- Implemented Polish translations for the module.
- Set up upgrade scripts for future module updates.
- Included Composer autoloading files and configurations.
- Added template files for displaying header and order confirmation scripts.
- Established .htaccess rules for security in vendor directory.

modules/ceneo_trustedreviews/vendor/index.php

@@ -0,0 +1,11 @@
+<?php
+
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+
+header('Location: ../');
+exit;