docs: def setup_debug_logging():
      """
      set up debug logging
      """
  
      logger = logging.getLogger("xbahn")
      logger.setLevel(logging.DEBUG)
  
      ch = logging.StreamHandler()
      ch.setLevel(logging.DEBUG)
      ch.setFormatter(logging.Formatter("%(name)s: %(message)s"))
  
      logger.addHandler(ch)