Fix index nav MORE

Author: josh-heyer

product_docs/docs/postgres_distributed_for_kubernetes/1/index.mdx

@@ -11,6 +11,9 @@ navigation:
   - architecture
   - installation_upgrade
   - quickstart
+  - '#Configuration'
+  - operator_conf
+  - samples
   - '#Using'
   - using_pgd
   - backup
@@ -23,12 +26,12 @@ navigation:
   - private_edb_registries
   - labels_annotations
   - managed
+  - monitoring
   - group_cleanup
   - mutations
   - openshift
   - tde
   - ldap
-  - samples
   - pg4k-pgd.v1beta1
   - supported_versions
   - known_issues