版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/datatables.net-rowgroup-bs4/1.5.0/rowGroup.bootstrap4.css
- https://cdn.bootcdn.net/ajax/libs/datatables.net-rowgroup-bs4/1.5.0/rowGroup.bootstrap4.js
- https://cdn.bootcdn.net/ajax/libs/datatables.net-rowgroup-bs4/1.5.0/rowGroup.bootstrap4.min.css
- https://cdn.bootcdn.net/ajax/libs/datatables.net-rowgroup-bs4/1.5.0/rowGroup.bootstrap4.min.js