Add a description, image, and links to the winxp-icons topic page so that developers can more easily learn about it.

Graphical application for generating different color variations of Oomox (Numix-based) theme (GTK2, GTK3, Cinnamon, GNOME, Openbox, Xfwm), Archdroid, Gnome-Color, Numix, Papirus and Suru++ icon themes ...