[#56] Added rendering for basic scenes

include/vkcv/Image.hpp

modules/material/src/vkcv/material/Material.cpp

modules/scene/CMakeLists.txt

modules/scene/include/vkcv/scene/Bounds.hpp

modules/scene/include/vkcv/scene/Mesh.hpp

modules/scene/include/vkcv/scene/MeshPart.hpp

modules/scene/include/vkcv/scene/Node.hpp

modules/scene/include/vkcv/scene/Scene.hpp

modules/scene/src/vkcv/scene/Bounds.cpp

modules/scene/src/vkcv/scene/Mesh.cpp

modules/scene/src/vkcv/scene/MeshPart.cpp

modules/scene/src/vkcv/scene/Node.cpp

modules/scene/src/vkcv/scene/Scene.cpp

projects/first_scene/CMakeLists.txt

projects/first_scene/src/main.cpp

src/vkcv/Handles.cpp

src/vkcv/Image.cpp