Variou details:

- Put the MIT copyright at the end.
- Move the directory /other -> tools
- Various improvements.

src/ftxui/dom/size.cpp

@@ -1,7 +1,3 @@
-// Copyright 2020 Arthur Sonzogni. All rights reserved.
-// Use of this source code is governed by the MIT license that can be found in
-// the LICENSE file.
-
 #include <algorithm>
 
 #include "ftxui/dom/elements.hpp"
@@ -84,3 +80,7 @@ Decorator size(Direction direction, Constraint constraint, int value) {
 }
 
 }  // namespace ftxui
+
+// Copyright 2020 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.