Add comprehensive documentation for the new super-admin role feature:
README.md:
- Update Users Table schema with isAdmin, isSuperAdmin, lastSeen fields
- Add Admin API section with all endpoints
- Add User Roles and Permissions section with security rules
docs/DOCUMENTATION.md:
- Update Users Table schema
- Add Admin System section with overview, roles, security rules
- Document all admin API endpoints
- Add audit logging details
- Include JWT token structure
- Add setup and deployment instructions
CLAUDE.md:
- Add Admin System and User Roles section
- Document admin service functions
- Include security rules
- Add JWT token claims structure
- Document frontend admin interface
Co-Authored-By: Claude <noreply@anthropic.com>