title: How to display a custom link in rails admin index page
body: <p>I am having a Rails 3.2 Application which is using "Rails Admin" for admin functionality.</p>
  
  <p>My doubt is, "How can I display an extra link beside the default CRUD options for a particular model (Like User model) in its index page". By clicking on that link, I would like to perform a custom action from my controller (Like UsersController).</p>
  
  <p>Can anyone please tell me how to achieve the above mentioned case, or provide a reference url.</p>
  
  <p>Thanks in advance.</p>
  
  <p>Regards,</p>
  
  <p>K. Subrahmanyam</p>