feat: Add navigation sidebar to shared documents (#2899)

Co-authored-by: Tom Moor <tom@getoutline.com>

server/routes/api/documents.ts

@@ -602,6 +602,7 @@ router.post(
     });
     // Passing apiVersion=2 has a single effect, to change the response payload to
     // include document and sharedTree keys.
+
     const data =
       apiVersion === 2
         ? {