Adding ETCD endpoint to Prometheus

Change-Id: Ie38b719dac648fb977acfdf1514c5e43b7be7dd2
diff --git a/nem-monitoring/Chart.yaml b/nem-monitoring/Chart.yaml
index a46f5e8..46dc8e2 100644
--- a/nem-monitoring/Chart.yaml
+++ b/nem-monitoring/Chart.yaml
@@ -18,4 +18,4 @@
 description: Time Series Storage and Dashboard for CORD
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 1.3.15
+version: 1.3.16