Airtable manual sort in Interfaces

https://community.airtable.com/t5/interface-designer/when-working-with-interfaces-is-it-possible-to-manually-sort-a/m-p/175553#M3120

You need to create a manual sorting column and the Airtable does the work of updating values correctly when dragging/dropping in an list interface view. Note: does not update when drag/drop in Base view.