[FEATURE] OBC Watchdog Monitoring @ PHYSICAL LEVEL

Add:
- [ES] Healthy MCU Scenario
- [ES] Watchdog Timeout Scenatio

- [PFCD] Healthy OBC Watchdoging
- [PFCD] OBC Watchdog Timeout

- [PAB] Physical Architecture View of Subsystems Recovery

- [PDFB] Physical Function Dataflow View of Subsystems Recovery

Edit root [PFBD] and [PCBD]

close #31