Remember me enabled by default

app/controllers/auth/sessions_controller.rb

@@ -1,3 +1,11 @@
 class Auth::SessionsController < Devise::SessionsController
+  include Devise::Controllers::Rememberable
+
   layout 'auth'
+
+  def create
+    super do |resource|
+      remember_me(resource)
+    end
+  end
 end