/**
  * Create language table.
  * 
  * @param string $table (default = 'language')
  * @param vector<string[2]> $language_list (default = [ de, en ])
  */
 public function createTable($table = 'language', $language_list = ['de', 'en'])
 {
     if ($this->db->hasTable($table)) {
         return;
     }
     $tconf = [];
     $tconf['@table'] = $table;
     $tconf['@timestamp'] = 2;
     $tconf['id'] = 'varchar:50::3';
     $tconf['txt'] = 'text:::1';
     foreach ($language_list as $lang) {
         $tconf[$lang] = 'text:::1';
     }
     $this->db->createTable($tconf);
 }