title: Decorating RecyclerView (with GridLayoutManager) to display divider between items
body: <p>What's the best and easiest way to decorate RecyclerView to have such look &amp; feel?</p>
  
  <p><img src="https://i.stack.imgur.com/lqWrD.jpg" alt="enter image description here"></p>
  
  <p>The main challenge here is having dividers only between items, but not between items and left/right borders of screen.</p>
  
  <p>Any ideas?</p>