Add Widescreen Tall layout to README
Add Widescreen Tall layout to README

ianyh/Amethyst,egabancho/Amethyst,hooplaaa/Amethyst,cevaris/Amethyst,ianyh/Amethyst,cevaris/Amethyst,hooplaaa/Amethyst,olsonpm/Amethyst,ianyh/Amethyst,egabancho/Amethyst,ianyh/Amethyst,m4rw3r/Amethyst,olsonpm/Amethyst,m4rw3r/Amethyst,ianyh/Amethyst