Full documentation site with sidebar navigation, search, markdown
rendering, and prev/next navigation. Initial content: introduction,
chain overview, name system, API reference, CIC governance.
Lethean Boot.php now only registers routes on matching domains
(lthn.io, testnet.lthn.io, localhost) — no longer bleeds onto
api.*, docs.*, explorer.* subdomains.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
