add markers to object memory

...API/components/armem/server/ObjectMemory/ObjectMemory.cpp

...otAPI/components/armem/server/ObjectMemory/ObjectMemory.h

source/RobotAPI/libraries/armem_objects/CMakeLists.txt

source/RobotAPI/libraries/armem_objects/aron/Marker.xml

source/RobotAPI/libraries/armem_objects/aron_conversions.cpp

source/RobotAPI/libraries/armem_objects/aron_conversions.h

...otAPI/libraries/armem_objects/aron_forward_declarations.h

source/RobotAPI/libraries/armem_objects/types.cpp

source/RobotAPI/libraries/armem_objects/types.h