X11 Install desktop menu item
creates and installs file /usr/local/share/applications/cups.desktop. That file adds an menu item in an application menu, presupposed the DE or WM is using one, and reading .desktop files....
Exec=/usr/local/bin/xdg-open http://localhost:631/
...
Exec=/usr/local/bin/xdg-open http://localhost:631/