Review the webhookconfiguration files (#1959)

Signed-off-by: Arnob kumar saha <arnob@appscode.com>

Author: ArnobKumarSaha

charts/kubedb-webhook-server/README.md

@@ -63,6 +63,7 @@ The following table lists the configurable parameters of the `kubedb-webhook-ser
 | featureGates.Elasticsearch           |                                                                                                                                                                                                                                                    | <code>true</code>                                                                                                                                                                              |
 | featureGates.FerretDB                |                                                                                                                                                                                                                                                    | <code>false</code>                                                                                                                                                                             |
 | featureGates.Ignite                  |                                                                                                                                                                                                                                                    | <code>false</code>                                                                                                                                                                             |
+| featureGates.HanaDB                  |                                                                                                                                                                                                                                                    | <code>false</code>                                                                                                                                                                             |
 | featureGates.Hazelcast               |                                                                                                                                                                                                                                                    | <code>false</code>                                                                                                                                                                             |
 | featureGates.Kafka                   |                                                                                                                                                                                                                                                    | <code>true</code>                                                                                                                                                                              |
 | featureGates.MariaDB                 |                                                                                                                                                                                                                                                    | <code>true</code>                                                                                                                                                                              |