Merge branch '60-kamera-steuerung-mittels-controller' into 'develop'

include/vkcv/Event.hpp

include/vkcv/Logger.hpp

include/vkcv/Window.hpp

modules/camera/include/vkcv/camera/CameraController.hpp

modules/camera/include/vkcv/camera/CameraManager.hpp

modules/camera/include/vkcv/camera/PilotCameraController.hpp

.../camera/include/vkcv/camera/TrackballCameraController.hpp

modules/camera/src/vkcv/camera/CameraManager.cpp

modules/camera/src/vkcv/camera/PilotCameraController.cpp

modules/camera/src/vkcv/camera/TrackballCameraController.cpp

modules/gui/src/vkcv/gui/GUI.cpp

projects/cmd_sync_test/src/main.cpp

projects/first_mesh/src/main.cpp

projects/first_scene/src/main.cpp

projects/first_triangle/src/main.cpp

projects/voxelization/src/main.cpp

src/vkcv/Window.cpp