chore(yamllint): add and integrate yamllint

5 jobs for branch/default in 2 minutes and 14 seconds (queued for 22 seconds)
Status Name Job ID Coverage
  Lint
passed black #346955

00:00:29

passed check-manifest #346954

00:00:22

passed flake8 #346953

00:00:20

passed yamllint #346956

00:00:28

 
  Tests
passed py3 #346957

00:01:17