Twinkly christmas lights integration

Twinkly Binding

This is the OH3 fork of @Maarten_v_Hulsentop binding.
As of now it can switch your lights on and off, current state can be obtained by sending REFRESH to the corresponding channel. No fancy stuff :slight_smile:
Fancy stuff might be added on request :face_with_monocle:

Feedback appreciated! :slight_smile: