Update FMU documentation (input and output signals)
Input signals
- IndicatorState
- HornSwitch
- HeadLightSwitch
- HighBeamLightSwitch
- FlasherSwitch
and output signals
- SecondaryDriverTasksSignal_IndicatorState
- SecondaryDriverTasksSignal_HornSwitch
- SecondaryDriverTasksSignal_HeadLightSwitch
- SecondaryDriverTasksSignal_HighBeamLightSwitch
- SecondaryDriverTasksSignal_FlasherSwitch
have been added to the FMU documentation.