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/info.py

@@ -7,7 +7,7 @@ import platform
 
 from milc import cli
 
-from qmk.info_json_encoder import InfoJSONEncoder
+from qmk.json_encoders import InfoJSONEncoder
 from qmk.constants import COL_LETTERS, ROW_LETTERS
 from qmk.decorators import automagic_keyboard, automagic_keymap
 from qmk.keyboard import keyboard_folder, render_layouts, render_layout