CI: Add workflow for codebase formatting (#7382)

* Add workflow for codebase formatting

* stash

* review comments

* Swap to a more complete push action

lib/python/qmk/cli/__init__.py

@@ -14,6 +14,7 @@ from . import compile
 from . import config
 from . import docs
 from . import doctor
+from . import fileformat
 from . import flash
 from . import generate
 from . import hello