docs: align the Home lead with the positioning style sheet Home.md:3 — "Official framework integrations for the Algenta decision engine — governed …" -> "Framework integrations for Algenta — governed …" (drop "Official" and "decision engine"; the rest of the lead was already the canonical text).
docs: add wiki — persona hub, 10 framework guides, tool contract, conformance, self-hosted, contributing, FAQ
Initial Home page