Add the RowTemplate feature of JQuery Grid to Angular Grid.

https://demos.telerik.com/kendo-ui/grid/rowtemplate

In particular we are looking to be able to define 2 rows of data per row. The second has cells that span multiple columns so we are unable to achieve what we want with a Cell Template ( https://www.telerik.com/kendo-angular-ui/components/grid/columns/templates/ ).