New command: qmk lint (#10761)

* Basic qmk lint command

* check for keymap readme

* change the workflow from qmk info to qmk lint

* add a strict mode

* parsing -> parse

* document qmk lint

* small info logging cleanup

* Apply suggestions from code review

Co-authored-by: Ryan <fauxpark@gmail.com>

* honor --strict in more places

* change the job name to lint

Co-authored-by: Ryan <fauxpark@gmail.com>

lib/python/qmk/cli/__init__.py

@@ -19,6 +19,7 @@ from . import hello
 from . import info
 from . import json
 from . import json2c
+from . import lint
 from . import list
 from . import kle2json
 from . import new