Added current sensor measurement

src/boards/HeliTest/ScreenManager.cpp

src/boards/HeliTest/config.h

src/entrypoints/heli-entry.cpp

src/shared/SensorManager/SensorManager.cpp

src/shared/SensorManager/SensorManager.h

src/shared/Sensors/CurrentSenseData.h

src/shared/Sensors/CurrentSensor.h

src/shared/SharedConfig.h