WIP: Improve config parsing, make --verbose and --config-file global options

Bonus: Generalize and reuse cmd_ssh()

Signed-off-by: InsanePrawn <insane.prawny@gmail.com>

main.py

@@ -6,13 +6,21 @@ from flash import cmd_flash
 from ssh import cmd_ssh
 from forwarding import cmd_forwarding
 from telnet import cmd_telnet
+from logger import setup_logging, verbose_option
 import click
+from config import config, config_option
 
 
 @click.group()
-def cli():
-    pass
+@verbose_option
+@config_option
+def cli(verbose: bool = False, config_file: str = None):
+    setup_logging(verbose)
+    config.runtime['verbose'] = verbose
+    config.try_load_file(config_file)
 
+def main():
+    return cli(prog_name='kupferbootstrap')
 
 cli.add_command(cmd_cache)
 cli.add_command(cmd_packages)