Add mobile version in site settings

app/models/site.rb

@@ -25,6 +25,8 @@ class Site
   field :title, localize: true
   field :footer, localize: true
   field :sub_menu, localize: true
+
+  field :mobile_on, :type => Boolean, :default => false
   
   belongs_to :design
   has_many :site_metas, :autosave => true, :dependent => :destroy