Add drag & drop snippets
E.g. Search Kit - https://github.com/civicrm/civicrm-core/pull/28740, column sorting.
A11y D&D links:
- ARIA ref: https://www.w3.org/wiki/PF/ARIA/BestPractices/DragDrop
- Demo, Adobe: https://react-spectrum.adobe.com/blog/drag-and-drop.html
- Demo, Salesforce: https://salesforce-ux.github.io/dnd-a11y-patterns/
- Wishlist: https://www.tpgi.com/the-road-to-accessible-drag-and-drop-part-1/
- Workthru: https://www.tpgi.com/the-road-to-accessible-drag-and-drop-part-2/