title: how to add headers/titles for cards in a recyclerview?
body: <p>I have a short question. How is it possible to make headers for groups on cards on a recyclerview like of the image below.</p>
  
  <p><a href="https://i.stack.imgur.com/qg3sI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qg3sI.png" alt="enter image description here"></a></p>
  
  <p>Thanks a lot for answers</p>