Adjust file read and write functionality

include/vkcv/File.hpp

include/vkcv/ShaderProgram.hpp

...es/algorithm/src/vkcv/algorithm/SinglePassDownsampler.cpp

modules/denoising/include/vkcv/denoising/Denoiser.hpp

...s/denoising/include/vkcv/denoising/ReflectionDenoiser.hpp

modules/denoising/include/vkcv/denoising/ShadowDenoiser.hpp

modules/denoising/src/vkcv/denoising/Denoiser.cpp

modules/shader_compiler/include/vkcv/shader/Compiler.hpp

modules/shader_compiler/include/vkcv/shader/GLSLCompiler.hpp

...s/shader_compiler/include/vkcv/shader/GlslangCompiler.hpp

modules/shader_compiler/include/vkcv/shader/HLSLCompiler.hpp

modules/shader_compiler/src/vkcv/shader/GLSLCompiler.cpp

modules/shader_compiler/src/vkcv/shader/GlslangCompiler.cpp

modules/shader_compiler/src/vkcv/shader/HLSLCompiler.cpp

modules/upscaling/src/vkcv/upscaling/FSRUpscaling.cpp

modules/upscaling/src/vkcv/upscaling/NISUpscaling.cpp

src/vkcv/File.cpp

src/vkcv/ShaderProgram.cpp