stoa-core 0.1.0

Stoa core types: schema, frontmatter, ids.
Documentation

Stoa core types: frontmatter, ids, schema, validation.

M2 — Wiki + CLI core. The concrete API consumed by stoa-cli and the frontmatter property tests lives here.

Spec source: [ARCHITECTURE.md §2 Wiki data model] + [§3 Schema] + [§5 KG].