new card - control rgb-lights

[ArveVM]

tip from Terje Ellingsen Vedvik on FB-norge - add credits to him when used

Usability:

• visualize scenes for livingroom/kitchen/kidM
• presets for wled ??

add in entities-card

https://github.com/bokub/rgb-light-card

[ArveVM]

Tested on livingroom lights,, Now up for WAF-approval and adjustment of colours/transitions ;)