feat(ColorSpace): differnet color types

.clang-format

.envrc

.gitignore

.vscode/c_cpp_properties.json

.vscode/compile_commands.json

.vscode/launch.json

.vscode/settings.json

.vscode/tasks.json

CMakeLists.txt

compile_commands.json

data.csv

misc/lena.jpg

misc/lena_2.jpg

misc/lena_3.jpg

src/ColorSpace.cpp

src/ColorSpace.h

src/Comparison.cpp

src/Comparison.h

src/Conversion.cpp

src/Conversion.h