Combined setup migration docs (#619)

src/components/NavigationDocs.jsx

@@ -615,6 +615,9 @@ export const docsNavigation = [
             title: 'Coturn to Embedded STUN',
             href: '/selfhosted/migration/coturn-to-stun-migration',
           },
+          { title: 'Combined Container Setup', 
+            href: '/selfhosted/migration/combined-container' 
+          },
           {
             title: 'Enable Reverse Proxy',
             href: '/selfhosted/migration/enable-reverse-proxy',
@@ -869,4 +872,4 @@ function NavigationGroup({ group, className, hasChildren }) {
       </div>
     </li>
   )
-}
+}