Move all our CLI file formatters to the format dir (#13296)

* move all our file formatters to the format dir

* Apply suggestions from code review

Co-authored-by: Erovia <Erovia@users.noreply.github.com>

Co-authored-by: Erovia <Erovia@users.noreply.github.com>

lib/python/qmk/cli/__init__.py

@@ -40,7 +40,10 @@ subcommands = [
     'qmk.cli.doctor',
     'qmk.cli.fileformat',
     'qmk.cli.flash',
+    'qmk.cli.format.c',
     'qmk.cli.format.json',
+    'qmk.cli.format.python',
+    'qmk.cli.format.text',
     'qmk.cli.generate.api',
     'qmk.cli.generate.config_h',
     'qmk.cli.generate.dfu_header',