credit mdn for descriptions

kristoff-it · kristoff-it · commit 90a78b6d715d · 2025-09-19T15:41:42.000+02:00
diff --git a/THIRD_PARTY_NOTICES b/THIRD_PARTY_NOTICES
@@ -0,0 +1,7 @@
+Descriptions of HTML elements and attributes are from MDN
+(https://developer.mozilla.org/), which are available under
+the terms of the Creative Commons Attribution-ShareAlike
+license (CC-BY-SA), v2.5 or any later version.
+
+Those descriptions contain changes made by SuperHTML contributors
+and released under the same license.
