Docs as a site: portal.uhhm.no from docs/ with mdBook, put to git-pages

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GT37Z1Xtfd9pUuQtMTg6Yt

docs/SUMMARY.md

@@ -0,0 +1,21 @@
+# Summary
+
+[portal](README.md)
+
+# Using it
+
+- [Getting started](getting-started.md)
+- [Content reference](content-reference.md)
+- [State machines](state-machines.md)
+- [Access](access.md)
+- [Memberships](memberships.md)
+- [Operations](operations.md)
+
+# How it is made
+
+- [Architecture](architecture.md)
+- [Filesystem routes](design/filesystem-routes.md)
+
+---
+
+[Changelog](changelog.md)

docs/operations.md

@@ -129,6 +129,14 @@ then `GARAGE_S3_ENDPOINT`, `GARAGE_ACCESS_KEY`, `GARAGE_SECRET_KEY` and
 `GARAGE_UPLOADS_BUCKET` in that instance's env. Unset, an upload field
 fails closed rather than appearing to work and storing nowhere.
 
+## The docs site
+
+These pages are [portal.uhhm.no](https://portal.uhhm.no): `docs/` built
+with mdBook (`book.toml`, `docs/SUMMARY.md`) by `.gitea/workflows/docs.yml`
+on every push to main that touches them, and put to git-pages the way
+every static site on uhhm.no is (uhhm/infrastructure `PAGES.md`). The
+changelog is the book's last page. `mdbook serve` previews it locally.
+
 ## Who deploys what
 
 Both hosts deploy from CI now, and a rollout is the same commit either