DOC: add link to github to page

jklymak · jklymak · commit bfe52a02ab81 · 2021-11-12T09:00:43.000+01:00
diff --git a/docs/index.rst b/docs/index.rst
@@ -63,3 +63,8 @@ Handouts
 
       `Tips [pdf] <./handout-tips.pdf>`_
 
+Contribute
+**********
+
+Issues, suggestions, or pull-requests gratefully accepted at 
+`matplotlib/cheatsheets <https://github.com/matplotlib/cheatsheets>`_
