updating readme with new grammar
updating readme with new grammar

Gradual-Typing/Grift,akuhlens/schml,akuhlens/schml,Gradual-Typing/Grift,akuhlens/schml,Gradual-Typing/Grift,akuhlens/schml,akuhlens/schml,Gradual-Typing/Grift,akuhlens/schml