kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: demo-cstor-vol1-claim
spec:
  storageClassName: openebs-cstor-default-0.7.0
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 4G

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: demo-cstor-vol1-claim
spec:
  storageClassName: openebs-cstor-sparse 
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 4G

Use cstor sparse sc for sample cstor PVC spec
refactor(yaml): Use cstor sparse sc for sample cstor PVC spec

Signed-off-by: ksatchit <4e09569602c0d91933a7f764cdb047663f85b57e@openebs.io>
