added group configuration inreadme

Author: Barkha Choithani

README.md

@@ -393,7 +393,10 @@ This table describes the list of available parameters for Helm Chart.
 | `nameOverride`                       | String to override the app name                                                                                | `""`                                 |
 | `fullnameOverride`                   | String to completely replace the generated name                                                                | `""`                                 |
 | `auth.adminUsername`                 | Username for default MarkLogic Administrator                                                                   | `admin`                              |
-| `auth.adminPassword`                 | Password for default MarkLogic Administrator                                                                   | `admin`                              |
+| `auth.adminPassword`                 | Password for default MarkLogic Administrator                                                                   | `admin`     
+| `bootstrapHostName`                 | Host name of MarkLogic bootstrap host                                                                | `""`   
+| `group.name`               | group name for joining MarkLogic cluster                                                                    | `Default`                              |
+| `group.enableXdqpSsl`                 | SSL encryption for XDQP                                                                   | `true`                         |
 | `affinity`                           | Affinity property for pod assignment                                                                           | `{}`                                 |
 | `nodeSelector`                       | nodeSelector property for pod assignment                                                                       | `{}`                                 |
 | `persistence.enabled`                | Enable MarkLogic data persistence using Persistence Volume Claim (PVC). If set to false, EmptyDir will be used | `true`                               |