Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/nglwidgets/icons/16x16/LICENSE

@@ -0,0 +1,24 @@
+Icon theme
+
+Oxygen icon theme is dual licensed. You may copy it under the Creative Common
+Attribution-ShareAlike 3.0 License or the GNU Library General Public License.
+
+Creative Common Attribution-ShareAlike 3.0 License (short form):
+
+You are free:
+
+    * to Share — to copy, distribute and transmit the work
+    * to Remix — to adapt the work
+
+Under the following conditions:
+
+    * Attribution. You must attribute the work in the manner specified by the
+      author or licensor (but not in any way that suggests that they endorse
+      you or your use of the work).
+
+    * Share Alike. If you alter, transform, or build upon this work, you may
+      distribute the resulting work only under the same, similar or a
+      compatible license.
+
+See also http://creativecommons.org/licenses/by-sa/3.0/ and
+http://creativecommons.org/licenses/by-sa/3.0/legalcode