Creates an ApphookConfig instance

        ``AutoCMSAppMixin.auto_setup['config_fields']`` is used to fill in the data
        of the instance.

        :return: ApphookConfig instance

def _create_config(cls):
        """
        Creates an ApphookConfig instance

        ``AutoCMSAppMixin.auto_setup['config_fields']`` is used to fill in the data
        of the instance.

        :return: ApphookConfig instance
        """
        return cls.app_config.objects.create(
            namespace=cls.auto_setup['namespace'], **cls.auto_setup['config_fields']
        )