title: How to call a CollectionViewController from within a collection view cell
body: <p>I have a swift file that is a class type UICollectionViewCell and I have a button that I want to call another view that is a collectionviewcontroller.
  How do I do this?</p>
  
  <p>I am trying to do this but I can't finish this function</p>
  
  <pre><code>func handleStartButtonClick(){
      let layout = UICollectionViewFlowLayout()
      let mainViewController = MainViewController(collectionViewLayout: layout)
  }
  </code></pre>