Build and Test

Add `repo-assist.md` for automated repository assistant #61

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
build (ubuntu-22.04, 9.0.307)	4m 49s
build (macOS-latest, 9.0.307)	6m 20s
build (windows-latest, 9.0.307)	6m 25s
	17m 34s