feat(rdb): connecting rdb to k8s (#4708)

* feat(rdb): connecting rdb to k8s

* fix(rdb): fix title

* feat(rdb): add docs

* feat(rdb): add tutorial

* Update pages/managed-databases-for-postgresql-and-mysql/api-cli/connecting-managed-databases-to-kubernetes-clusters.mdx

Co-authored-by: Rowena Jones <[email protected]>

---------

Co-authored-by: Rowena Jones <[email protected]>

Author: bene2k1

menu/navigation.json

@@ -2384,6 +2384,10 @@
                   {
                     "label": "Setting up logical replication as a subscriber",
                     "slug": "logical-replication-as-subscriber"
+                  },
+                  {
+                    "label": "Connecting Managed Databases to Kubernetes clusters",
+                    "slug": "connecting-managed-databases-to-kubernetes-clusters"
                   }
                 ],
                 "label": "API/CLI",