Updating README.md to mark Prism.Autofac.Forms as Avaliable
Updating README.md to mark Prism.Autofac.Forms as Avaliable

ethedy/Prism,ederbond/Prism,allanrsmith/Prism,frogger3d/Prism,dersia/Prism,ali-hk/Prism,hardcodet/Prism