add: Intermediate rework of nccpp

src/lib/nccpp/Color.hpp

src/lib/nccpp/Ncurses.cpp

src/lib/nccpp/Ncurses.hpp

src/lib/nccpp/Subwindow.cpp

src/lib/nccpp/Subwindow.hpp

src/lib/nccpp/Window.cpp

src/lib/nccpp/Window.hpp

src/lib/nccpp/Window_appearance.cpp

src/lib/nccpp/Window_attributes.cpp

src/lib/nccpp/Window_input.cpp

src/lib/nccpp/Window_misc.cpp

src/lib/nccpp/Window_options.cpp

src/lib/nccpp/Window_output.cpp

src/lib/nccpp/constants.hpp

src/lib/nccpp/errors.hpp

src/lib/nccpp/ncursescpp.hpp