Add layout hook for ScreenCorners.
Add layout hook for ScreenCorners.

xmonad/xmonad-contrib,CaptainPatate/xmonad-contrib,f1u77y/xmonad-contrib,xmonad/xmonad-contrib,pjones/xmonad-test,CaptainPatate/xmonad-contrib,f1u77y/xmonad-contrib,CaptainPatate/xmonad-contrib