Add Gitea package registry support
Add publish-dmg target for versioned DMG uploads
Update deploy-dmg to include Gitea publishing
Document Gitea token requirements in README
The dock showed a black square because tauri.conf.json had no bundle.icon
block and icons/ held only tiny placeholders with no .icns. Add an SVG
source logo (terminal prompt + split workspace panes), generate the full
icon set via `tauri icon` (icon.icns/.ico + all PNG/iOS/Android sizes), and
wire bundle.icon so the daemon embeds and macOS renders it.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>