Make main.py the main entrypoint again and call docker wrapper enforcement from cli() callback

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

main.py

@@ -9,19 +9,25 @@ from telnet import cmd_telnet
 from logger import setup_logging, verbose_option
 import click
 from config import config, config_option
+from wrapper import enforce_wrap, nowrapper_option
 
 
 @click.group()
 @verbose_option
 @config_option
-def cli(verbose: bool = False, config_file: str = None):
+@nowrapper_option
+def cli(verbose: bool = False, config_file: str = None, no_wrapper: bool = False):
     setup_logging(verbose)
     config.runtime['verbose'] = verbose
     config.try_load_file(config_file)
+    # TODO: move this only to CMDs where it's needed
+    enforce_wrap(no_wrapper=no_wrapper)
+
 
 def main():
     return cli(prog_name='kupferbootstrap')
 
+
 cli.add_command(cmd_cache)
 cli.add_command(cmd_packages)
 cli.add_command(cmd_image)
@@ -30,3 +36,6 @@ cli.add_command(cmd_flash)
 cli.add_command(cmd_ssh)
 cli.add_command(cmd_forwarding)
 cli.add_command(cmd_telnet)
+
+if __name__ == '__main__':
+    main()