docs: def setup_daemon_log_file(cfstore):
      """
      Attach file handler to RASH logger.
  
      :type cfstore: rash.config.ConfigStore
  
      """
      level = loglevel(cfstore.daemon_log_level)
      handler = logging.FileHandler(filename=cfstore.daemon_log_path)
      handler.setLevel(level)
      logger.setLevel(level)
      logger.addHandler(handler)