* * first approach with some issues
* modified service name
* added better handle of listeners
* addded new page
* * added css for empty list
* added posiblity to drag to an empty list
* corrected bug when blazor reload elements between a query to DOM
* corrected bug handling elementreferences
* corrected bug ondrop ghost still appears
* * corrected styles
* better example with three lists
Co-authored-by: Santiago Cattaneo <santiago@rd-its.com>
