Add LICENSE, ship it in release archives, and declare the licence in
the nfpm packages and Homebrew formula.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Declare the snapshot format (v1) stable, bump the version, ship the man
page in release archives and deb/rpm/apk/Arch packages, add a Homebrew
formula template with make brew-formula, and update the changelog,
roadmap, README and development notes.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>