updated readme

Author: Vadym Mudryi

charts/opencrvs-services/README.md

@@ -80,6 +80,11 @@ Helm chart to deploy all OpenCRVS services on Kubernetes cluster.
             <td>{}</td>
             <td>Mapping kubernetes secrets as environment variables. For more information see [Mapping secrets](#mapping-secrets)</td>
         </tr>
+        <tr>
+            <td>data_seeder.enabled</td>
+            <td>true</td>
+            <td>Seed data as post-install step, data seeder is executed only once while `helm install`. In some cases when data is already seeded, e/g upgrade, this value must be set to false. **Note**: default user is used for data seeding, it will fail anyway on database with non-default data.</td>
+        </tr>
     </tbody>
 </table>