add db backup cronjob

hifiscp/Chart.yaml

 apiVersion: v1
 name: hifiscp
-version: 0.1.14
+version: 0.1.15
 description: A Helm chart to deploy the HIFIS Cloud Portal Backend and Frontend
 keywords:
   - HIFIS

hifiscp/values.yaml

@@ -13,6 +13,16 @@ cerebrum:
       tag: latest
       pullPolicy: Always
 
+  dbBackup:
+    enabled: 0
+    schedule: "0 21 * * *"
+    s3EndpointUrl: "http://minio.minio:9000"
+    awsDefaultRegion: us-east-1
+    image:
+      repository: registry.hzdr.de/hifis/cloud/access-layer/portal/db-backup
+      tag: latest
+      pullPolicy: Always
+
   image:
     repository: registry.hzdr.de/hifis/cloud/access-layer/portal/cerebrum
     tag: latest