PAL Lighting Integration

New integration for PAL Pool lighting.

https://github.com/thechancer/pallight

Tested with the hardware I have, being a Colour Touch 1, but should be able to detect other variants. All use XLight - similar to Limitless LED, including the discovery of devices on the same network.

Hopefully of use to someone else out there - please provide feedback or raise any issues if this was useful or didn’t work for you !