Change Default Pagination to 15 items

lib/diskuy/repo.ex

@@ -3,6 +3,6 @@ defmodule Diskuy.Repo do
     otp_app: :diskuy,
     adapter: Ecto.Adapters.Postgres
 
-  use Scrivener, page_size: 25
+  use Scrivener, page_size: 15
 
 end