Adding docker-dashboard support to nem-monitoring

Change-Id: I0defd9b0d46083f144cb162feae4cffeb74dcd12
diff --git a/nem-monitoring/templates/grafana-dashboard-configmap.yaml b/nem-monitoring/templates/grafana-dashboard-configmap.yaml
index 8246e6c..84128ab 100644
--- a/nem-monitoring/templates/grafana-dashboard-configmap.yaml
+++ b/nem-monitoring/templates/grafana-dashboard-configmap.yaml
@@ -23,6 +23,8 @@
 {{- if .Values.dashboards.k8s }}
   k8s.json: |
 {{ .Files.Get "grafana-dashboards/k8s-app-metrics.json" | indent 4 }}
+  docker.json: |
+{{ .Files.Get "grafana-dashboards/docker-monitoring.json" | indent 4 }}
 {{- end }}
 {{- if .Values.dashboards.nodeExporter }}
   node-exporter.json: |