

You’re right, that it doesn’t just work as conveniently out-of-the-box on Codeberg. However you do not have to self-host: You merely have to apply to get access to their hosted Woodpecker instance at ci.codeberg.org.
See docs here if you want to try it out: https://docs.codeberg.org/ci/
Onboarding requires a few manual steps, as to prevent the abuse of Codeberg’s limited resources. You will need to request access by filling out this form. After submitting, a Codeberg volunteer will review your request and grant you access if your use case is appropriate.
Edit: added quote from docs

Thank you for sharing the song, that was lovely.
Quick Markdown formatting tip: In most flavours you can add 2 spaces at the end of a line to force a line break. Then you can format your block quotes a little prettier without empty newlines: