mgr/dashboard: Add a manage clusters page to the multi-cluster nav to

list/connect/disconnect/edit clusters in multi-cluster setup

Fixes: https://tracker.ceph.com/issues/64530
Signed-off-by: Aashish Sharma <[email protected]>

Author: Aashish Sharma

monitoring/ceph-mixin/dashboards.libsonnet

@@ -8,5 +8,6 @@
     (import 'dashboards/rgw.libsonnet') +
     (import 'dashboards/ceph-cluster.libsonnet') +
     (import 'dashboards/rgw-s3-analytics.libsonnet') +
+    (import 'dashboards/multi-cluster.libsonnet') +
     { _config:: $._config },
 }