Let Helm deploy service monitor for Kafka Lag Exporter based on Helm template

Closes #23 (closed) Yes Helm can create the Service Monitor, for this a Service Monitor Template is provided by the Kafka Lag-Exporter. This must be activated with enabled:true and the label appScope:titan-ccp must be set, then Helm will create a service monitor based on the template https://github.com/lightbend/kafka-lag-exporter/blob/master/charts/kafka-lag-exporter/templates/060-ServiceMonitor.yaml .

execution/infrastructure/kafka-lag-exporter/values.yaml

@@ -8,7 +8,7 @@ pollIntervalSeconds: 15
 prometheus:
   serviceMonitor:
     enabled: true
-    interval: "30s"
+    interval: "5s"
     additionalLabels:
       appScope: titan-ccp
     # service monitor label selectors: https://github.com/helm/charts/blob/f5a751f174263971fafd21eee4e35416d6612a3d/stable/prometheus-operator/templates/prometheus/prometheus.yaml#L74