Expect to add a drag handle column

[qiufeihong2018]

Describe the bug Is it better to provide a configuration to control whether the drag-and-drop handle column is displayed?

Expected behavior Expect to add a drag handle column, Convenient for users to drag and drop rows

[qiufeihong2018]

I think now there is no handle, users can not find and operation is inconvenient

[MichaelMatejko]

v4 is feature complete. We will schedule this feature for v5.

[qiufeihong2018]

So let me contribute this capability to v5