Merge Authorship from of Max Körschen

README.md

src/game/entities/Building.cpp

src/game/entities/Building.hpp

src/game/entities/Unit.cpp

src/game/entities/Unit.hpp

src/game/level/Level.cpp

src/game/level/Level.hpp

src/game/ui/context/ContextMenu.cpp

src/game/ui/context/ContextMenu.hpp

src/game/ui/context/RecruitingMenu.cpp

src/game/ui/context/RecruitingMenu.hpp

src/game/ui/modals/HelpMenu.cpp

src/game/ui/modals/HelpMenu.hpp

src/game/ui/modals/UnitInfoMenu.cpp

src/game/ui/modals/UnitInfoMenu.hpp