Improve list view and add cookie

lib/wish_web/router.ex

@@ -17,8 +17,12 @@ defmodule WishWeb.Router do
     plug :accepts, ["json"]
   end
 
+  pipeline :get_layout do
+    plug WishWeb.Plug.GetLayoutFromCookie
+  end
+
   scope "/", WishWeb do
-    pipe_through :browser
+    pipe_through [:browser, :get_layout]
 
     live "/", HomeLive.Index, :index
     live "/details/:id", HomeLive.Details, :index