[#71] Renamed pipeline to graphics pipeline

config/Sources.cmake

include/vkcv/Core.hpp

include/vkcv/GraphicsPipelineConfig.hpp

include/vkcv/Handles.hpp

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

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

projects/first_mesh/src/main.cpp

projects/first_scene/src/main.cpp

projects/first_triangle/src/main.cpp

projects/indirect_dispatch/src/AppSetup.cpp

projects/indirect_dispatch/src/AppSetup.hpp

projects/mesh_shader/src/main.cpp

projects/particle_simulation/src/main.cpp

projects/voxelization/src/ShadowMapping.cpp

projects/voxelization/src/ShadowMapping.hpp

projects/voxelization/src/Voxelization.cpp

projects/voxelization/src/Voxelization.hpp

projects/voxelization/src/main.cpp

src/vkcv/Core.cpp

src/vkcv/GraphicsPipelineManager.cpp