Add a qmk format-json command that will format JSON files (#12372)

* Add a command to format json files

* change to work after rebase

* add test for qmk format-json

* add documentation for qmk format-json

* Update lib/python/qmk/cli/format/json.py

lib/python/qmk/cli/c2json.py

@@ -6,7 +6,7 @@ from milc import cli
 
 import qmk.keymap
 import qmk.path
-from qmk.info_json_encoder import InfoJSONEncoder
+from qmk.json_encoders import InfoJSONEncoder
 from qmk.keyboard import keyboard_folder