title: append and prepend with simple-form and bootstrap
body: <p>I need to be able to use simple form input tag using a bootstrap append and prepend. I can do it with one easily but not getting them both to work. Is this possible. </p>
  
  <p>here is what I have using haml this is for a prepend but I need another one on the end so using append.</p>
  
  <pre><code>= f.input :domain, wrapper: :prepend, label: false do
    %span.add-on
      %span.icon @
    = f.input_field :domain
  </code></pre>