I just now made one to upload the file.
https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request Great opportunity to learn about how to work together on github! If you get stuck, i can help you in about 2 hours (AFK right now)
I think I successfully forked, made a pull request, and linked it to issue #33. If not, let me know! :D