The gitea-actions-runner NixOS module expects tokenFile to be an
EnvironmentFile containing TOKEN=<value>, but sops-nix writes only
the raw secret value. Use a sops template to prepend TOKEN= prefix.
- Rename SOPS key alias from generic admin_key to steffen_key in
.sops.yaml and all docs (keys should identify the person, not a role)
- Add step 3.6 to first-install docs: create Forgejo admin account
via CLI (required since DISABLE_REGISTRATION is enabled)
- Fix cryodev-pi_key comment naming in .sops.yaml
- Add automatic SD image builds for Raspberry Pi via Forgejo Actions
- Enable binfmt emulation on cryodev-main for aarch64 cross-builds
- Add sd-image.nix module to cryodev-pi configuration
- Create comprehensive docs/ structure with installation guides
- Split installation docs into: first-install (server), reinstall, new-client (Pi)
- Add lib/utils.nix and apps/rebuild from synix
- Fix headplane module for new upstream API (tale/headplane)
- Fix various module issues (mailserver stateVersion, option conflicts)
- Add placeholder secrets.yaml files for both hosts
- Remove old INSTRUCTIONS.md (content moved to docs/)
