Add typedoc and typedoc-plugin-markdown as devDependencies. Add typedoc.json config
targeting src/index.ts with markdown output to .github/wiki/api. Add docs script to
package.json. Generate initial API reference pages.
Part of T-E8-03 — TypeDoc automation for all 12 JS/TS packages.
Zero-dependency Hijri calendar engine with pluggable calendar registry.
Built-in Umm al-Qura (UAQ) and FCNA/ISNA calendar engines. Supports N
additional calendars via registerCalendar(). Pure Date.UTC arithmetic,
binary search on 184-entry UAQ table, Meeus Ch.49 new moon formula for
FCNA. 39 ESM + 20 CJS tests passing. Dual CJS/ESM build with full TypeScript
declarations.
