Add cli command to import keyboard|keymap|kbfirmware (#16668)

lib/python/qmk/cli/import/keyboard.py

@@ -0,0 +1,23 @@
+from milc import cli
+
+from qmk.importers import import_keyboard as _import_keyboard
+from qmk.path import FileType
+from qmk.json_schema import json_load
+
+
+@cli.argument('filename', type=FileType('r'), nargs='+', arg_only=True, help='file')
+@cli.subcommand('Import data-driven keyboard')
+def import_keyboard(cli):
+    filename = cli.args.filename[0]
+
+    data = json_load(filename)
+
+    cli.log.info(f'{{style_bright}}Importing {filename.name}.{{style_normal}}')
+    cli.echo('')
+
+    kb_name = _import_keyboard(data)
+
+    cli.log.info(f'{{fg_green}}Imported a new keyboard named {{fg_cyan}}{kb_name}{{fg_green}}.{{fg_reset}}')
+    cli.log.info(f'To start working on things, `cd` into {{fg_cyan}}keyboards/{kb_name}{{fg_reset}},')
+    cli.log.info('or open the directory in your preferred text editor.')
+    cli.log.info(f"And build with {{fg_yellow}}qmk compile -kb {kb_name} -km default{{fg_reset}}.")