title: How to implement column grouping in react-table
body: <p>I used react-table in my Application. We used Row Grouping. In the same way I want to implement Column Grouping. Expanding and Collapsing the columns by clicking the arrow button in column. Please look into the below image.Please share your thoughts.<a href="https://i.stack.imgur.com/jEjaD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/jEjaD.png" alt="enter image description here" /></a></p>