chore(): Updated readme
chore(): Updated readme

OMGgogong/showdown,phw/showdown,stevemao/showdown,alazyer/showdown,bsansouci/showdown,digideskio/showdown,pazof/showdown,juanonsoftware/showdown,snegovick/showdown,twitwi/showdown,bsnizek/showdown,axter/showdown,NichenLg/showdown,showdownjs/showdown,yaniswang/showdown,snegovick/showdown,xinshitn/showdown,pazof/showdown,webutilz/showdown,phw/showdown,xinshitn/showdown,coolroad/showdown,webutilz/showdown,bsnizek/showdown,showdownjs/showdown,yaniswang/showdown,digideskio/showdown,axter/showdown,NichenLg/showdown,OMGgogong/showdown,alazyer/showdown,bsansouci/showdown,coolroad/showdown,juanonsoftware/showdown,twitwi/showdown,stevemao/showdown