mark 2d_skeletons.rst as outdated

Lyxilytical · web-flow · commit 75134d7b122d · 2023-07-28T03:02:57.000+01:00
diff --git a/tutorials/animation/2d_skeletons.rst b/tutorials/animation/2d_skeletons.rst
@@ -1,3 +1,5 @@
+:article_outdated: True
+
 .. _doc_2d_skeletons:
 
 2D skeletons
