DOC-3169: update nav.adoc file to include new page.

Author: kemister85

modules/ROOT/nav.adoc

@@ -127,6 +127,7 @@
 *** xref:plugin-editor-version-compatibility.adoc[Version compatibility reference]
 *** xref:cloud-troubleshooting.adoc[Cloud Troubleshooting]
 ** Premium server-side services guides
+*** xref:bundle-intro-setup.adoc[Bundle intro setup]
 *** xref:individual-hyperlinking-container.adoc[Hyperlinking service]
 *** xref:individual-image-proxy-container.adoc[Image Proxy service]
 *** xref:individual-spelling-container.adoc[Spelling service]