add bootstrap file input and menu item img implemented

app/uploaders/menu_item_image_uploader.rb

@@ -8,13 +8,21 @@ class MenuItemImageUploader < CarrierWave::Uploader::Base
   storage :file
   # storage :fog
 
+  def root
+    Rails.root.join 'public/'
+  end
+
   # Override the directory where uploaded files will be stored.
   # This is a sensible default for uploaders that are meant to be mounted:
   def store_dir
-    "public/image/menu_images"
+    "image/menu_images"
     # "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
+  # def cache_dir
+  #   '/tmp/images'
+  # end
+
   # Provide a default URL as a default if there hasn't been a file uploaded:
   # def default_url(*args)
   #   # For Rails 3.1+ asset pipeline compatibility: