title: How can I add multiple collection views in a UIViewController in Swift?
body: <p>I tried many days to realise this:
  <img src="https://i.stack.imgur.com/TCAZN.jpg" alt="enter image description here"></p>
  
  <p>I want to add in my UIViewController two different CollectionView.
  For example I want to put images in these collectionView
  Each CollectionView use its own images.
  Is this possible?</p>
  
  <p>I will be very happy if somebody can give me a hand. :)</p>