Window and DataGrid

[hxhgxy]

I didn't find Window and DataGrid in the components. Would you please add them in next version?

Thanks

[Jay-o-Way]

Related to #269

[shadow-cs]

See #31 (comment)

[svsnux]

What is happening with the DataGrid? seems like the DataTable in the Labs was abandoned.

[Petrarca181]

What is happening with the DataGrid? seems like the DataTable in the Labs was abandoned.

https://github.com/w-ahmad/WinUI.TableView