Start bot in webhook mode

        :param webhook_path:
        :param request_handler:
        :param route_name: Name of webhook handler route
        :param kwargs:
        :return:

def start_webhook(self, webhook_path=None, request_handler=WebhookRequestHandler, route_name=DEFAULT_ROUTE_NAME,
                      **kwargs):
        """
        Start bot in webhook mode

        :param webhook_path:
        :param request_handler:
        :param route_name: Name of webhook handler route
        :param kwargs:
        :return:
        """
        self.set_webhook(webhook_path=webhook_path, request_handler=request_handler, route_name=route_name)
        self.run_app(**kwargs)