Fix a bug when setting the site

Fix devise login

app/assets/javascripts/devise.js

@@ -0,0 +1,7 @@
+// This is a manifest file that'll be compiled into including all the files listed below.
+// Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
+// be included in the compiled file accessible from http://example.com/assets/application.js
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// the compiled file.
+//
+//= require back_end

app/assets/stylesheets/devise.css

@@ -0,0 +1,6 @@
+/*
+ *This is a manifest file that'll automatically include all the stylesheets available in this directory
+ *and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
+ *the top of the compiled file, but it's generally better to create a new file per style scope.
+ *= require back_end
+*/