- Add Dashboard model with table, spinner, help, and key bindings for service status display
- Add keyMap with shortcuts: refresh (r), subscribers (s), services (v), billing (b), monitoring (m), config (c), deploy (d), help (?), quit (q)
- Add service status table with columns: Service, Status, CPU, Memory, Uptime, Version
- Add initial service data: API Server, Charging Engine, Packet Gateway, Web Dashboard, Prometheus,