Add mouse implementation of most components.

CMakeLists.txt

include/ftxui/component/button.hpp

include/ftxui/component/checkbox.hpp

include/ftxui/component/container.hpp

include/ftxui/component/event.hpp

include/ftxui/component/menu.hpp

include/ftxui/component/radiobox.hpp

include/ftxui/component/toggle.hpp

include/ftxui/dom/elements.hpp

include/ftxui/screen/box.hpp

src/ftxui/component/button.cpp

src/ftxui/component/checkbox.cpp

src/ftxui/component/container.cpp

src/ftxui/component/event.cpp

src/ftxui/component/menu.cpp

src/ftxui/component/radiobox.cpp

src/ftxui/component/screen_interactive.cpp

src/ftxui/component/toggle.cpp

src/ftxui/dom/reflect.cpp

src/ftxui/screen/box.cpp