Add user story 4

Ignore deprecation warnings

Author: mpuckett159

keps/sig-cli/3104-introduce-kuberc/README.md

@@ -87,6 +87,7 @@ tags, and then generate with `hack/update-toc.sh`.
     - [Story 1](#story-1)
     - [Story 2](#story-2)
     - [Story 3](#story-3)
+    - [Story 4](#story-4)
   - [Notes/Constraints/Caveats (Optional)](#notesconstraintscaveats-optional)
     - [Open Questions](#open-questions)
   - [Risks and Mitigations](#risks-and-mitigations)
@@ -252,6 +253,12 @@ https://github.com/kubernetes/kubectl/issues/524
 
 [UNRESOLVED] As a user I would like to use different preferences per context.
 
+#### Story 4
+
+As a user I would like to be able to opt out of deprecation warnings.
+
+https://github.com/kubernetes/kubectl/issues/1317
+
 ### Notes/Constraints/Caveats (Optional)
 
 <!--