Merge pull request 'Added Skyscanner blog post - November 2021' (hjac…

…obs#16) from gjtempleton/kubernetes-failure-stories:Skyscanner-Global-Outage into main

Reviewed-on: https://codeberg.org/hjacobs/kubernetes-failure-stories/pulls/16

README.md

@@ -3,6 +3,9 @@
 A compiled list of links to public failure stories related to Kubernetes.
 Most recent publications on top.
 
+* [How a couple of characters brought down our site - Skyscanner - blog post 2021](https://medium.com/@SkyscannerEng/how-a-couple-of-characters-brought-down-our-site-356ccaf1fbc3)
+    * involved: Gitops, templating, namespace deletion
+    * impact: global outage
 * [10 More Weird Ways to Blow Up Your Kubernetes - Airbnb - KubeCon NA 2020](https://www.youtube.com/watch?v=4CT0cI62YHk)
     * involved: MutatingAdmissionWebhook, CPU Limits, OOMKill, kube2iam, HPA
     * impact: outages