make it findable

Author: drammock

content/documentation/_index.md

@@ -15,4 +15,10 @@ title = 'Accessible Documentation'
 link = 'accessible-documentation'
 body = 'Learn about how to structure and write project documentation that considers disabled and abled readers.'
 
+[[item]]
+type = 'card'
+title = 'Accessible Notebooks'
+link = 'notebook-authoring-guide'
+body = 'Learn about how to structure and write Jupyter notebooks that considers disabled and abled readers.'
+
 {{< /grid >}}