Well I mean I could, but it's easier and more convenient to just put them in a directory on the server than go through all the rigmarole of creating a torrent.
Hey, that's an interesting idea for a side project: an easy way to serve a file via torrent. Maybe a commandline utility that uses WebSeeding so you don't need to run a torrent client? Hmm.
(I did a quick `apt search` to see if something like that is already available, but didn't find anything.)