Merge branch '123-refactor-core-api' into 'develop'

projects/first_scene/src/main.cpp

projects/first_triangle/src/main.cpp

projects/head_demo/src/main.cpp

projects/indirect_dispatch/src/App.cpp

projects/indirect_dispatch/src/AppSetup.cpp

projects/indirect_dispatch/src/AppSetup.hpp

projects/indirect_dispatch/src/MotionBlur.cpp

projects/indirect_dispatch/src/MotionBlurSetup.cpp

projects/indirect_draw/src/main.cpp

projects/mesh_shader/src/main.cpp

projects/particle_simulation/src/main.cpp

projects/path_tracer/src/main.cpp

projects/rtx_ambient_occlusion/src/RTX/ASManager.cpp

projects/rtx_ambient_occlusion/src/RTX/RTX.cpp

projects/rtx_ambient_occlusion/src/main.cpp

projects/saf_r/src/main.cpp

projects/sph/src/main.cpp

projects/voxelization/src/ShadowMapping.cpp

projects/voxelization/src/ShadowMapping.hpp

projects/voxelization/src/Voxelization.cpp