* Migrate mqtt to async * address paulus comment / convert it complet async * adress paulus comment / remove future * Automation triggers should be async * Fix MQTT async calls * Show that event helpers are callbacks * Fix tests * Lint
* Enable sensor for discovery * Remove blank line
* Change implementation * Re-write * Remove unused consts * Update discovery.py * Add tests * fix other tests * Fix check_config script test * Lint * Lint