- Condensed README to quick overview (~40 lines) with key features
- Added install instructions for Alpine, Arch, source, and Docker
- Created USAGE.md with full command reference, server mode, OIDC, and permission model docs
- New features documented: server mode, OIDC authentication, per-node permissions, multiplatform auto-builds
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
