[TMTC] Add namespaces and use maps to translate messages into commands.

.gitignore

.gitmodules

sbs.conf

src/entrypoints/test_tmtc.cpp

src/shared/boards/Homeone/TMTCManager/CircularBuffer.h

src/shared/boards/Homeone/TMTCManager/MessageHandlers.cpp

src/shared/boards/Homeone/TMTCManager/MessageHandlers.h

src/shared/boards/Homeone/TMTCManager/README.md

src/shared/boards/Homeone/TMTCManager/TMTCManager.cpp

src/shared/boards/Homeone/TMTCManager/TMTCManager.h

src/shared/boards/Homeone/TMTCManager/TMTC_Config.h