@jspreadsheet/contextmenu_shortcut (npm): add icon to contextmenu and change shortcut Cmd or Window.
Keywords: contextmenu|shortcut|spreadsheet|spreadsheets|tables|table|excel|grid|grid-editor|data-table|data-grid|data-spreadsheet|css|editors|formula|free|javascript|jexcel|jexcel-plugins|jspreadsheet|paid-plugins|plugins|premium-plugins