docs: external reference to cloudformation custom resource helper (#914)

heitorlessa · web-flow · commit b144f755792c · 2021-12-20T08:35:19.000+01:00
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -27,6 +27,7 @@ nav:
       - utilities/idempotency.md
       - utilities/feature_flags.md
       - utilities/jmespath_functions.md
+      - CloudFormation Custom Resources: https://github.com/aws-cloudformation/custom-resource-helper" target="_blank
 
 theme:
   name: material
