#1134845 Put source in copyright page

#1134845#5
Date:
2026-04-25 02:15:18 UTC
From:
To:
$ cat /usr/share/doc/mdformat/copyright

Upstream-Contact:  <Taneli Hukkinen <hukkin@users.noreply.github.com>>

     "noreply@..." That's not a contact.

Source:

        Empty.