[#18]Do yellow nice (now executing renderpass)

config/Sources.cmake

include/vkcv/Core.hpp

include/vkcv/PassConfig.hpp

include/vkcv/SwapChain.hpp

projects/first_triangle/src/main.cpp

src/vkcv/Core.cpp

src/vkcv/Framebuffer.cpp

src/vkcv/Framebuffer.hpp

src/vkcv/PassConfig.cpp

src/vkcv/PassManager.cpp

src/vkcv/SwapChain.cpp