Comprehensive release notes covering:
- What Archipelago is and key features
- Bitcoin infrastructure, 20+ self-hosted apps, Web5 identity
- Supported hardware (x86_64 and ARM64)
- Installation instructions
- Known limitations
- Upgrade path from beta
- Security model (defense in depth)
- Contributing guidelines
Also marks RELEASE-02 complete — update infrastructure already exists
in core/archipelago/src/update.rs with manifest URL, background
scheduler, and rollback support.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
