Integration of Nix files is done. No issues on the desktop either. 😤

Set up mirroring between Codeberg and Forgejo (self-hosted). I did rely on ChatGPT, but it gave some pretty weird answers. If I had mechanically copy-pasted them, I might have been stuck. (Well, rollback is easy on NixOS, so it's fine.)

Now, just the laptop and another VPS left.