Added Source Insert Functions page

Author: sade-wusi

src/_data/sidenav/main.yml

@@ -223,6 +223,8 @@ sections:
       title: Functions Overview
     - path: /connections/functions/source-functions
       title: Source Functions
+    - path: /connections/functions/source-insert-functions
+      title: Source Insert Functions
     - path: /connections/functions/destination-functions
       title: Destination Functions
     - path: /connections/functions/insert-functions