title: How to make SWRevealViewController cover the main view not push it?
body: <p>I was following this tutorial <a href="http://www.ebc.cat/2015/03/07/customize-your-swrevealviewcontroller-slide-out-menu/" rel="nofollow noreferrer">Customize your SWRevealViewController slide-out menu</a></p>
  
  <p>and this is the layout of the app this how SWReveal push the main View</p>
  
  <p><a href="https://i.stack.imgur.com/M7lBm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/M7lBm.png" alt=""></a></p>
  
  <p>but the way Gmail works is to cover the main View like this photo</p>
  
  <p><a href="https://i.stack.imgur.com/waSBI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/waSBI.png" alt="enter image description here"></a></p>
  
  <p>and I was wondering if could I make the silde-out menu using SWRevealViewController cover the main view like Gmail app and how to do it ?</p>