Add string view overloads (#1154)

This is better ergonomic, as `std::string_view` is lightweight and accept more conversion than `const std::string&`.

Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>

src/ftxui/component/screen_interactive.cpp

@@ -1054,7 +1054,7 @@ void ScreenInteractive::Signal(int signal) {
   }
 
   if (signal == SIGWINCH) {
-    Post(Event::Special({0}));
+    Post(Event::Special(std::string({0})));
     return;
   }
 #endif