Add appveyor.yml
Add appveyor.yml

gkoz/rust-gnome-gtk,gkoz/gtk-rs-gtk,daa84/gtk,Susurrus/gtk,drewet/gtk,rust-gnome/gtk,insanebits/gtk,EPashkin/rust-gnome-gtk,drewet/gtk,insanebits/gtk,rust-gnome/gtk,daa84/gtk,mitaa/gtk,gkoz/gtk-rs-gtk,LordSentox/gtk,EPashkin/rust-gnome-gtk,gkoz/rust-gnome-gtk,mitaa/gtk,LordSentox/gtk,Susurrus/gtk