I installed a mod in ~/snap/0ad/657/.local/share/0ad/mods/<name>. Then it was detected automatically when launching the game and I enabled it via the mod settings in the UI. I am running Ubuntu 24.04 and installed 0ad via snap.
Ah! I missed that thread. I have a similar problem (still today). Can't update my fork.
ssh -T git@gitea.wildfiregames.comSSH
Says hi, but then it ask me for https authentication in a loop. No error, nothing, just keep asking credentials. I've tried a lot of different things as I though I was doing something wrong but no success here yet.