AETHER-509 Show scheduled downtime, use apiVersion v1

Change-Id: Ie81315f87484a5c669e246e3c741e100db28db6c
diff --git a/monitoring/grafana-aether/requirements.yaml b/monitoring/grafana-aether/requirements.yaml
new file mode 100644
index 0000000..af1ded3
--- /dev/null
+++ b/monitoring/grafana-aether/requirements.yaml
@@ -0,0 +1,7 @@
+# Copyright 2020-present Open Networking Foundation
+# SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+
+dependencies:
+  - name: grafana
+    version: 5.5.0
+    repository: https://kubernetes-charts.storage.googleapis.com/