Added more doxygen comments and removed some constructors

config/Sources.cmake

include/vkcv/DescriptorConfig.hpp

include/vkcv/DrawcallRecording.hpp

include/vkcv/FeatureManager.hpp

include/vkcv/Features.hpp

include/vkcv/GraphicsPipelineConfig.hpp

include/vkcv/PassConfig.hpp

include/vkcv/ShaderProgram.hpp

include/vkcv/VertexLayout.hpp

projects/bindless_textures/src/main.cpp

projects/first_mesh/src/main.cpp

projects/first_scene/src/main.cpp

projects/first_triangle/src/main.cpp

projects/head_demo/src/main.cpp

projects/indirect_dispatch/src/AppSetup.cpp

projects/indirect_draw/src/main.cpp

projects/mesh_shader/src/main.cpp

projects/particle_simulation/src/main.cpp

projects/saf_r/src/main.cpp

projects/sph/src/PipelineInit.cpp