HA Light Auto Discovery
HA Light Auto Discovery

- Send HA MQTT Discovery message ~2.4kB based on input by @YeonV from here: https://github.com/Aircoookie/WLED/issues/131

Aircoookie/WLED,Aircoookie/WLED,Aircoookie/WLED,Aircoookie/WLED,Aircoookie/WLED,Aircoookie/WLED