Add GitHub integration to dev-0 projects
- Add expandable header section with GitHub info
- Show local path with copy button in expanded section
- Add GitHub URL input/display with create repo button
- Implement gh CLI integration to create repos
- Add clone button in hub to clone GitHub projects locally
- Store and display GitHub URLs in project metadata
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
