* Add 'Yeelight LED Ceiling Light' model
Add new model https://www.yeelight.com/en_US/product/luna
* Update requirements_all.txt bump to yeelight 0.5.1
Update requirements_all.txt bump to yeelight 0.5.1
* Update manifest.json, bump to 0.5.1
Update manifest.json, bump to 0.5.1