* add dlr url column add dlr url(delivery report URl) column. Allow user set the endpoint to receive the report * update update delivery report url description * ⚡ fixed nodelinter issues, added credential test, replaced icon * ⚡ Improvements Co-authored-by: d3no <d3no520@gmail.com> Co-authored-by: Michael Kret <michael.k@radency.com>