Add multilingual support with translations for German, Russian, French, and Chinese

Added time limits and backup functions for servers

inc/DB.php

@@ -16,6 +16,10 @@ class DB {
       PDO::ATTR_EMULATE_PREPARES => false,
     ];
     self::$pdo = new PDO($dsn, $user, $pass, $options);
+    
+    // Explicitly set UTF-8 encoding for connection
+    self::$pdo->exec("SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci");
+    
     return self::$pdo;
   }
 }