fix: update readwise example to work without duplicating nodes

this is a workaround to the fact that readwise use cursor pagination
instead of offset pagination, proper handling will be added later

examples/mock_data/Readwise/Document List.bru

@@ -7,5 +7,5 @@ meta {
 get {
   url: https://readwise.io/api/v3/list/
   body: none
-  auth: none
+  auth: inherit
 }