[RIGv2] Added initial implementation of GroundModeManager

cmake/dependencies.cmake

src/boards/RIGv2/Radio/Radio.cpp

...Gv2/StateMachines/GroundModeManager/GroundModeManager.cpp

...RIGv2/StateMachines/GroundModeManager/GroundModeManager.h

...2/StateMachines/GroundModeManager/GroundModeManagerData.h

src/entrypoints/RIGv2/rig-v2-entry.cpp

src/scripts/logdecoder/RIGv2/logdecoder.cpp