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/.htaccess

@@ -0,0 +1,10 @@
+# Apache 2.2
+<IfModule !mod_authz_core.c>
+    Order deny,allow
+    Deny from all
+</IfModule>
+
+# Apache 2.4
+<IfModule mod_authz_core.c>
+    Require all denied
+</IfModule>