Add Command+K shortcut and Dev0Provider context
- Set up Command+K (and Ctrl+K) shortcut to open panel selector
- Create Dev0Provider context for managing dev-0 projects state
- Integrate Dev0Provider into dev-overlay component tree
- Add API methods for create, fetch, kill, and start projects
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
