Add comprehensive implementation guide for ACL management feature in GNS3 Web UI. The guide includes:
- Feature overview with core functionality and user flow
- Detailed API endpoint specifications for ACE CRUD operations
- Data structures and relationships
- Frontend implementation guide with component architecture
- UI/UX design recommendations and wireframes
- Common usage scenarios and error handling patterns
- Example code with React components and API service layer
This document serves as a reference for frontend developers implementing ACL management interface, covering everything from API integration to user interface design.
