```ruby
Deface::Override.new(:virtual_path => "spree/admin/shared/_menu",
                     :name => "blog_admin_tabs",
                     :insert_bottom => "[data-hook='admin_tabs']",
                     :text => "<%= tab(:blog_entries, :label => 'Blog', :url => spree.admin_blog_entries_path, :icon => '') %>",
                     :disabled => false)```

Add icon to admin menu tab
user
```ruby
Deface::Override.new(:virtual_path => "spree/admin/shared/_menu",
                     :name => "blog_admin_tabs",
                     :insert_bottom => "[data-hook='admin_tabs']",
                     :text => "<%= tab(:blog_entries, :label => 'Blog', :url => spree.admin_blog_entries_path, :icon => 'icon-file') %>",
                     :disabled => false)```
assistant