koya: archive git repositories from sourcehut user accounts

usage: koya.py [-h] [--origin ORIGIN] --token TOKEN [--delay DELAY] users [users ...]

positional arguments:
  users            username(s) to archive

options:
  -h, --help       show this help message and exit
  --origin ORIGIN  sourcehut origin URL (default: https://git.sr.ht/)
  --token TOKEN    account oauth access token (default: None)
  --delay DELAY    delay between origin requests (seconds) (default: 1)