Add minimal GTK version
Add minimal GTK version

daa84/gtk,gkoz/rust-gnome-gtk,gkoz/rust-gnome-gtk,Susurrus/gtk,EPashkin/rust-gnome-gtk,daa84/gtk,Susurrus/glib,gkoz/gtk-rs-pango,drewet/gtk,gkoz/gtk-rs-gtk,rust-gnome/gtk,insanebits/gtk,gkoz/gtk-rs-gtk,rust-gnome/glib,gkoz/gtk-rs-cairo,rtsuk/cairo,rust-gnome/cairo,gkoz/rust-gnome-glib,gkoz/rust-gnome-cairo,mitaa/gtk,EPashkin/rust-gnome-gtk,mitaa/gtk,LordSentox/gtk,drewet/gtk,gkoz/gtk-rs-glib,rust-gnome/gtk,insanebits/gtk,Susurrus/gtk,LordSentox/gtk,nicokoch/glib,EPashkin/rust-gnome-glib