Multiple Header Rows support?

Hi @AllenFang I'm a big fan of your react-bootstrap-table(s). My current project is using your original react-bootstrap-table, but i'm trying to migrate to your react-bootstrap-table-next because my customer wants that autoSelectText option. But my current table has 2 header rows, the first spanning multiple columns. And it looks like the new table structure doesn't handle that since datafield is required, and the column definition is missing the row & colspan attributes. Is there any plans to migrate this functionality or do you know of a way to insert an extra header?

Thank you!