update documentation to include an overview of the yaml label template that is part of PR #22976 Signed-off-by: Jon Roadley-Battin <[email protected]> --------- Co-authored-by: Yarden Shoham <[email protected]> Co-authored-by: Lauris BH <[email protected]> Co-authored-by: John Olheiser <[email protected]> Co-authored-by: delvh <[email protected]>