replace links that end in /current

Author: colleenmcginnis

deploy-manage/deploy/cloud-on-k8s.md

@@ -2,6 +2,7 @@
 applies:
   eck: all
 mapped_urls:
+  - https://www.elastic.co/guide/en/cloud-on-k8s/current/index.html
   - https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-overview.html
   - https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-advanced-topics.html
   - https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-supported.html