Add Nav for Configuring Talk section

docs/_data/nav.yaml

@@ -25,6 +25,8 @@ items:
         url: /trust/
       - title: Toxic Comments
         url: /toxic-comments/
+      - title: Configuring Talk
+        url: /configuring-talk/
   - title: Plugins
     children:
       - title: Plugins Overview

docs/_docs/03-06-product-guide-configuring-talk.md

@@ -0,0 +1,4 @@
+---
+title: Configuring Talk
+permalink: /configuring-talk/
+---