Configuration system for CLI (#6708)

* Rework how bin/qmk handles subcommands

* qmk config wip

* Code to show all configs

* Fully working `qmk config` command

* Mark some CLI arguments so they don't pollute the config file

* Fleshed out config support, nicer subcommand support

* sync with installable cli

* pyformat

* Add a test for subcommand_modules

* Documentation for the `qmk config` command

* split config_token on space so qmk config is more predictable

* Rework how subcommands are imported

* Document `arg_only`

* Document deleting from CLI

* Document how multiple operations work

* Add cli config to the doc index

* Add tests for the cli commands

* Make running the tests more reliable

* Be more selective about building all default keymaps

* Update new-keymap to fit the new subcommand style

* Add documentation about writing CLI scripts

* Document new-keyboard

* Update docs/cli_configuration.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/cli_development.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/cli_development.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Update docs/cli_development.md

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Address yan's comments.

* Apply suggestions from code review

suggestions from @noahfrederick

Co-Authored-By: Noah Frederick <code@noahfrederick.com>

* Apply suggestions from code review

Co-Authored-By: Noah Frederick <code@noahfrederick.com>

* Remove pip3 from the test runner

lib/python/qmk/cli/doctor.py

@@ -11,8 +11,8 @@ from glob import glob
 from milc import cli
 
 
-@cli.entrypoint('Basic QMK environment checks')
-def main(cli):
+@cli.subcommand('Basic QMK environment checks')
+def doctor(cli):
     """Basic QMK environment checks.
 
     This is currently very simple, it just checks that all the expected binaries are on your system.
@@ -36,6 +36,7 @@ def main(cli):
         else:
             try:
                 subprocess.run([binary, '--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=5, check=True)
+                cli.log.info('Found {fg_cyan}%s', binary)
             except subprocess.CalledProcessError:
                 cli.log.error("{fg_red}Can't run `%s --version`", binary)
                 ok = False