Sorry for the downtime, everybody! I tried installing some plugins (which requires you to use a shell console), and obviously failed in doing so.
https://github.com/werweisswas/discourse-plugin-tagger
These were the three I tried to grab. A checklist markdown, tags for topics, and shared edits. Maybe I’ll give it another go sometime, now that I’ve got a proper backup/know how to get the forum back.