Merge pull request #2643 from pedropaiva1/patch-3

docs(Kafka): adding postfixId property in kafka client options

Author: kamilmysliwiec

content/microservices/kafka.md

@@ -112,6 +112,10 @@ The `options` property is specific to the chosen transporter. The <strong>Kafka<
     <td><code>producerOnlyMode</code></td>
     <td>Feature flag to skip consumer group registration and only act as a producer (<code>boolean</code>)</td>
   </tr>
+  <tr>
+    <td><code>postfixId</code></td>
+    <td>Change suffix of clientId value (<code>string</code>)</td>
+  </tr>
 </table>
 
 #### Client