[#63] Merge develop into branch

.gitmodules

config/Sources.cmake

include/vkcv/PipelineConfig.hpp

include/vkcv/ShaderProgram.hpp

include/vkcv/VertexLayout.hpp

modules/CMakeLists.txt

modules/asset_loader/include/vkcv/asset/asset_loader.hpp

modules/camera/CMakeLists.txt

modules/camera/include/vkcv/camera/Camera.hpp

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

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

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

modules/camera/include/vkcv/camera/TrackballCamera.hpp

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

modules/camera/src/vkcv/camera/Camera.cpp

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

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

modules/camera/src/vkcv/camera/TrackballCamera.cpp

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

modules/shader_compiler/CMakeLists.txt