Set the "get started" action for all configured pages.

async def _set_get_started(self):
        """
        Set the "get started" action for all configured pages.
        """

        page = self.settings()

        if 'get_started' in page:
            payload = page['get_started']
        else:
            payload = {'action': 'get_started'}

        await self._send_to_messenger_profile(page, {
            'get_started': {
                'payload': ujson.dumps(payload),
            },
        })

        logger.info('Get started set for page %s', page['page_id'])