Phase D foundation. Configures the pragmatic four-section sidebar
(Getting started / Guides / Reference / Concepts) and replaces the
template example pages with grounded content built on the shared
"library" example database (authors/books/members/loans):
- Getting started: installation, first project, simple vs advanced,
the example library.
- Reference: Types (all ten + serial/shortid + advanced aliases),
Tables (create/drop, compound PK, advanced CREATE TABLE).
- Concepts: projects & storage (readable files, derived database,
autosave, temp projects).
- Guides: Build the library (draft, to be refined for teaching).
Command syntax grounded in en-US.yaml usage/help, command.rs, and
types.rs (verified against tests). Records the settled doc decisions
in STYLE.md. Build green (10 pages, Pagefind); content clean of
"DSL"/engine-name.
claude@clouddev1