AETHER-728 Add SD-CORE metrics dashboard to grafana-aether chart

Change-Id: I2055dcac2d33b493fd3de3011b96e3fb6ed5b4ba
diff --git a/monitoring/grafana-aether/values.yaml b/monitoring/grafana-aether/values.yaml
index 2a280ff..c6a8891 100644
--- a/monitoring/grafana-aether/values.yaml
+++ b/monitoring/grafana-aether/values.yaml
@@ -18,6 +18,9 @@
 # URL of Prometheus that collects E2E test results from edge monitoring server
 edgeServerDatasourceURL: ""
 
+# URL of Prometheus that collects metrics from SD-CORE services
+sdCoreDatasourceURL: ""
+
 # URL of Prometheus that collects SD-CORE metrics
 sdCoreDatasourceURL: ""