DOC-3150: update nav.adoc file to include server-side changes.

Author: kemister85

modules/ROOT/nav.adoc

@@ -421,9 +421,11 @@
 ** xref:release-notes.adoc[Release notes for {productname}]
 *** {productname} 7.7.1
 **** xref:7.7.1-release-notes.adoc#overview[Overview]
+**** xref:7.7.1-release-notes.adoc#accompanying-premium-self-hosted-server-side-component-changes[Accompanying Premium self-hosted server-side component changes]
 **** xref:7.7.1-release-notes.adoc#accompanying-premium-plugin-changes[Accompanying Premium plugin changes]
 **** xref:7.7.1-release-notes.adoc#bug-fixes[Bug fixes]
 **** xref:7.7.1-release-notes.adoc#known-issues[Known issues]
+**** xref:7.7.1-release-notes.adoc#security-fixes[Security fixes]
 *** {productname} 7.7.0
 **** xref:7.7.0-release-notes.adoc#overview[Overview]
 **** xref:7.7.0-release-notes.adoc#accompanying-premium-self-hosted-server-side-component-changes[Accompanying Premium self-hosted server-side component changes]