(enhancement)charts: add imagepullpolicy in charts (#236)

Signed-off-by: ksatchit <karthik.s@mayadata.io>

charts/openebs/openebs-nfs-provisioner-kill/experiment.yaml

@@ -51,6 +51,7 @@ spec:
           - "list"
       
     image: "litmuschaos/ansible-runner:latest"
+    imagePullPolicy: Always
     args:
     - -c
     - ansible-playbook ./experiments/openebs/openebs-nfs-provisioner-kill/openebs_nfs_provisioner_kill_ansible_logic.yml -i /etc/ansible/hosts -vv; exit 0
@@ -90,4 +91,4 @@ spec:
       name: openebs-nfs-provisioner-kill
     configmaps:
       - name: openebs-nfs-provisioner-kill
-        mountPath: /mnt/
+        mountPath: /mnt/