✨ Add MQTT/Home Assistant support (#14)

* Add MQTT support for HA

* Possibly improve handling without paho-mqtt

* Add logging, improve docs

* Log the prefix used, tweak values, minify

* More logging, debugging

For some reason I'm not seeing the status messages coming in, not sure why

* Fix config var

* decode byte string

* Update docs

🔧 Improve udev/systemd and requirements (#5)

- udev rule to enable hot plugging
- systemd rule not needing to restart always
- requirements files for explicit dependency tracking in GitHub

🔧 Automate release workflow

🐛 Fix startup issues

✨ Complete refactor for HomeKit support