A fully functional Hubitat RGBW driver for Ikea Bulbs
All credit to Pedro Garcia and Eliot Stocker for the original Smartthings Implementation here: https://github.com/puzzle-star/SmartThings-IKEA-Tradfri-RGB and here: https://github.com/eliotstocker/hubitat-ikea-rgbw
I just fixed a few minor things to get the bulb to work better with scenes.