QMK CLI and JSON keymap support (#6176)

* Script to generate keymap.c from JSON file.

* Support for keymap.json

* Add a warning about the keymap.c getting overwritten.

* Fix keymap generating

* Install the python deps

* Flesh out more of the python environment

* Remove defunct json2keymap

* Style everything with yapf

* Polish up python support

* Hide json keymap.c into the .build dir

* Polish up qmk-compile-json

* Make milc work with positional arguments

* Fix a couple small things

* Fix some errors and make the CLI more understandable

* Make the qmk wrapper more robust

* Add basic QMK Doctor

* Clean up docstrings and flesh them out as needed

* remove unused compile_firmware() function

util/wsl_install.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
-dir=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
+util_dir=$(dirname "$0")
+dir=$(cd -P -- "$util_dir" && pwd -P)
 pushd "$dir";
 
 if [[ $dir != /mnt/* ]];
@@ -28,6 +29,8 @@ download_dir=wsl_downloaded
 
 source "$dir/win_shared_install.sh"
 
+pip3 install -r ${util_dir}/../requirements.txt
+
 pushd "$download_dir"
 while true; do
     echo