Add bxt_lightstyle (#92) #673

Job	Run time
clippy - Ubuntu	1m 41s
clippy - Windows	4m 53s
rustfmt	11s
stable - Ubuntu - debug	2m 43s
stable - Debian (cross to Windows) - debug	2m 6s
stable - Ubuntu - release	3m 46s
stable - Debian (cross to Windows) - release	2m 50s
beta - Ubuntu - debug	2m 41s
beta - Debian (cross to Windows) - debug	2m 6s
stable - Windows - debug	6m 49s
stable - Windows - release	8m 40s
beta - Windows - debug	5m 4s
Publish Wiki	8s
	43m 38s

Provide feedback