Update navigation.yml

Author: PowershellScripts

_data/navigation.yml

@@ -60,6 +60,8 @@
       link: /articles/en/Viva/Post%20as%20a%20leader%20to%20specific%20groups/
     - name: How to post as a delegate
       link: /articles/en/Viva/How%20to%20post%20as%20delegate/
+    - name: How to close a Viva Engage conversation
+      link: /articles/en/Viva/Closeconversation/
 
 - name: Server
   link: /#