docs: def cmd_auth(auth_phrase=None):
      """
      set authorization for command or subcommand.
      """
      def decorate(func):
          """
          decorates the funcion
          """
          # get the Singleton
          ap_ = ArgParseInator(skip_init=True)
          # set the authorization name
          auth_name = id(func)
          if auth_phrase is None:
              # if we don't have a specific auth_phrase we set the
              # **authorization needed** to True
              ap_.auths[auth_name] = True
          else:
              # else if we have a specific auth_phrase we set it for the
              # command authorization
              ap_.auths[auth_name] = str(auth_phrase)
          return func
      return decorate