v0.1.0

Changelog

• 964cc97 ci: add CI and goreleaser release workflows
• 69add13 ci: bump actions to latest majors (checkout v6, setup-go v6, goreleaser v7)
• 8f37ad1 ci: fix jj install — extract ./jj archive member with sudo
• 7e5bb61 feat: initial reposync binary and CLI skeleton
• 4257f10 feat: rewrite as convergent host/repo sync across hosts