Reformat code and replace const char arrays with strings

include/vkcv/BlitDownsampler.hpp

include/vkcv/Buffer.hpp

include/vkcv/BufferTypes.hpp

include/vkcv/ComputePipelineConfig.hpp

include/vkcv/Context.hpp

include/vkcv/Core.hpp

include/vkcv/DescriptorBinding.hpp

include/vkcv/DescriptorSetUsage.hpp

include/vkcv/DescriptorTypes.hpp

include/vkcv/DescriptorWrites.hpp

include/vkcv/DispatchSize.hpp

include/vkcv/Downsampler.hpp

include/vkcv/Drawcall.hpp

include/vkcv/Event.hpp

include/vkcv/EventFunctionTypes.hpp

include/vkcv/FeatureManager.hpp

include/vkcv/Features.hpp

include/vkcv/File.hpp

include/vkcv/GraphicsPipelineConfig.hpp

include/vkcv/Handles.hpp