Create a new Docs module that consolidates PDF and eBook handling into a
unified system with subjects and authors support. This replaces the
separate PDF/eBook modelers with a single Doc model backed by an
alembic migration (rename ebook to doc).
Key changes:
- New modules/docs package with models, API, extractors, and lib
- Subject and author metadata extraction with case-insensitive
normalization for cleaner PDF metadata
- Frontend Docs pages with AuthorsPage, SubjectsPage using
CollectionTable, and doc card deletion
- Global search integration for subjects and authors
- Generic collection item count support
- Frontend file card metadata adjusted to match collection sort
- Bump yt-dlp version
- Replace nginx with Caddy as the web server for both Docker and native
(RPi/Debian) deployments. Caddy handles HTTPS termination, reverse
proxying to all services (API, React app, Controller, Kiwix, Help, Map),
and serves the media/download file browsers.
- Generate a Root CA and signed leaf certificates for HTTPS. The Root CA
uses Name Constraints to restrict signing to local addresses only
(.local, localhost, and RFC 1918 private IP ranges), mitigating MITM
risk if the CA key is compromised.
- Add an HTTP landing page that guides users through one-time CA
certificate installation on iOS, Android, macOS, Windows, Linux, and
Firefox, with auto-redirect when the cert is already trusted.
- Add trailing-slash redirects for /controller, /docs, /media, and
/download so bare paths don't fall through to the React catch-all.
- Add a Root CA download link on the Settings page under Configs.
- Update help.sh diagnostics for IPv6 listener detection and HTTP/2
status codes.
- Remove all nginx config files and the https_proxy Docker container.
- Bump wrolpi-help submodule with certificate documentation.
