Prepare acceleration structures in framework and reduce code of rtx project

config/Sources.cmake

include/vkcv/BufferTypes.hpp

include/vkcv/Core.hpp

include/vkcv/Handles.hpp

projects/rtx_ambient_occlusion/CMakeLists.txt

...mbient_occlusion/resources/shaders/ambientOcclusion.rchit

projects/rtx_ambient_occlusion/src/RTX/ASManager.cpp

projects/rtx_ambient_occlusion/src/RTX/ASManager.hpp

projects/rtx_ambient_occlusion/src/RTX/RTX.cpp

projects/rtx_ambient_occlusion/src/RTX/RTX.hpp

projects/rtx_ambient_occlusion/src/RTX/RTXExtensions.cpp

projects/rtx_ambient_occlusion/src/RTX/RTXExtensions.hpp

projects/rtx_ambient_occlusion/src/main.cpp

projects/rtx_ambient_occlusion/src/teapot.hpp

src/vkcv/AccelerationStructureManager.cpp

src/vkcv/AccelerationStructureManager.hpp

src/vkcv/BufferManager.cpp

src/vkcv/BufferManager.hpp

src/vkcv/Core.cpp

src/vkcv/RayTracingPipelineManager.cpp