- Add generate_logo.py script to create icon programmatically
- New shop icon with striped awning and display windows
- Consistent purple color scheme with Nostr Proxy extension
- Update config.json to reference new icon
Closes#150🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
