Aether-1363 - Add the dashboard for DBUF

Change-Id: I9e28607e00c077fccf60be5ec630a07e4c5c819c
diff --git a/monitoring/grafana-aether/dashboards/dbuf-metrics.json.license b/monitoring/grafana-aether/dashboards/dbuf-metrics.json.license
new file mode 100644
index 0000000..c522327
--- /dev/null
+++ b/monitoring/grafana-aether/dashboards/dbuf-metrics.json.license
@@ -0,0 +1,2 @@
+Copyright 2020-present Open Networking Foundation
+SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0