building id
	modified:   LibreSTR/Building.cpp
	modified:   LibreSTR/Building.h
	new file:   LibreSTR/BuildingIdentity.cpp
	new file:   LibreSTR/BuildingIdentity.h
	modified:   LibreSTR/CMakeLists.txt
	modified:   LibreSTR/GameState.cpp
	new file:   assets/building.res