make rwx the default accessmode for volumes

implements hcdc/software-templates/helm-chart-template!35

update skeleton

.cruft.json

 {
   "template": "https://codebase.helmholtz.cloud/hcdc/software-templates/helm-chart-template.git",
-  "commit": "b771239672d80d31bf42811d8262a390541a3850",
+  "commit": "0b139802f10e39448abba4870641e6a143bb804d",
   "checkout": null,
   "context": {
     "cookiecutter": {

templates/postgres/persistentvolumeclaims.yaml

@@ -28,7 +28,7 @@ spec:
   accessModes: {{ toYaml $options.accessModes | nindent 4 }}
   {{- else }}
   accessModes:
-    - ReadWriteOnce
+    - ReadWriteMany
   {{- end }}
   resources:
     requests:

values.yaml

@@ -51,8 +51,8 @@ volumes: {}
   #   projected: {}  # alternative to creating a PVC, see https://docs.openshift.com/container-platform/4.10/nodes/containers/nodes-containers-projected-volumes.html
   #   volumeName: <some-pv>  # the name of a PersistentVolume, e.g. if you want to mount via NFS
   #   mountOnly: false  # optional, if the volume is created somewhere else
-  #   accessModes:  # optional, list of access modes within the container. if omitted, we use ReadWriteOnce
-  #     - "ReadWriteOnce"
+  #   accessModes:  # optional, list of access modes within the container. if omitted, we use ReadWriteMany
+  #     - "ReadWriteMany"
 # deploymentStrategy is the strategy used for rolling out new pods by the
 # Deployment. Can be either RollingUpdate or Recreate. Recreate will shut down
 # the existing deployment before creating a new one.