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/task_test.cpp

@@ -91,4 +91,4 @@ TEST(TaskTest, RunDelayedTask) {
   EXPECT_EQ(values, (std::vector<int>{1, 2, 3}));
 }
 
-} // namespace ftxui::task
+}  // namespace ftxui::task