Add auth :)

[scriptzteam]

Please add auth command

Traceback (most recent call last):
  File "main.py", line 69, in <module>
    run_once(
  File "main.py", line 50, in run_once
    messages = news.messages(group,
  File "/mnt/Newsthing.py/newsthing/Newsthing.py", line 130, in messages
    news.group(group)
  File "/usr/lib/python3.8/nntplib.py", line 663, in group
    resp = self._shortcmd('GROUP ' + name)
  File "/usr/lib/python3.8/nntplib.py", line 513, in _shortcmd
    return self._getresp()
  File "/usr/lib/python3.8/nntplib.py", line 456, in _getresp
    raise NNTPTemporaryError(resp)
nntplib.NNTPTemporaryError: 480 Authentication required for command