Warn against Microsoft <windows.h> min and max macro (#1084)

Warn users they have defined the min/max macros which is not 
compatible with other code from the standard library or FTXUI.

Co-authored-by: Sylko Olzscher <sylko.olzscher@solostec.ch>
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>

src/ftxui/component/screen_interactive.cpp

@@ -1057,8 +1057,9 @@ void ScreenInteractive::FetchTerminalEvents() {
       case KEY_EVENT: {
         auto key_event = r.Event.KeyEvent;
         // ignore UP key events
-        if (key_event.bKeyDown == FALSE)
+        if (key_event.bKeyDown == FALSE) {
           continue;
+        }
         std::wstring wstring;
         wstring += key_event.uChar.UnicodeChar;
         for (auto it : to_string(wstring)) {