* Rewrite UniFi integration to use push messaging
* Add signalling for new clients/devices
* Update list of known wireless clients when we get events of them connecting
* Reconnection logic for websocket
* Fix failing tests
* Bump requirement to v12
* Add new tests
* Update homeassistant/components/unifi/controller.py
Co-Authored-By: Martin Hjelmare <marhje52@gmail.com>