Execute IWYU

examples/component/button.cpp

examples/component/homescreen.cpp

examples/component/menu.cpp

examples/component/menu2.cpp

examples/component/menu_style.cpp

include/ftxui/component/component.hpp

include/ftxui/component/component_options.hpp

include/ftxui/util/ref.hpp

src/ftxui/component/button.cpp

src/ftxui/component/checkbox.cpp

src/ftxui/component/component_test.cpp

src/ftxui/component/container.cpp

src/ftxui/component/container_test.cpp

src/ftxui/component/input.cpp

src/ftxui/component/input_test.cpp

src/ftxui/component/menu.cpp

src/ftxui/component/radiobox.cpp

src/ftxui/component/radiobox_test.cpp

src/ftxui/component/slider.cpp

src/ftxui/component/toggle.cpp