Refactor configuration files for HexaHost.de: Updated mail and product configuration files to improve clarity and maintainability. Added deprecation notices in the old config file, migrated email handling to a new structure, and enhanced documentation for better understanding. Improved header comments across various public pages for better organization and readability.

public/404.php

@@ -1,15 +1,15 @@
 <?php
 require_once __DIR__ . '/../backend/includes/functions.php';
 
-
+// Page configuration
 $page_title = '404 - Seite nicht gefunden | HexaHost.de';
 $page_description = 'Die angeforderte Seite wurde nicht gefunden.';
 $current_page = '404';
 
-
+// Set 404 header
 http_response_code(404);
 
-
+// Include header
 includeHeader($page_title, $page_description, $current_page);
 ?>