Add note about Linenoise in the README
Add note about Linenoise in the README

ungrim97/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,skids/rakudo,Gnouc/rakudo,samcv/rakudo,azawawi/rakudo,Gnouc/rakudo,ab5tract/rakudo,paultcochrane/rakudo,salortiz/rakudo,b2gills/rakudo,raydiak/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,cygx/rakudo,lucasbuchala/rakudo,lucasbuchala/rakudo,sergot/rakudo,nunorc/rakudo,dankogai/rakudo,tony-o/rakudo,softmoth/rakudo,samcv/rakudo,Gnouc/rakudo,nunorc/rakudo,awwaiid/rakudo,raydiak/rakudo,salortiz/rakudo,cygx/rakudo,ab5tract/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,sergot/rakudo,sjn/rakudo,lucasbuchala/rakudo,zhuomingliang/rakudo,lucasbuchala/rakudo,rakudo/rakudo,laben/rakudo,LLFourn/rakudo,usev6/rakudo,tbrowder/rakudo,LLFourn/rakudo,rakudo/rakudo,labster/rakudo,Gnouc/rakudo,Leont/rakudo,azawawi/rakudo,samcv/rakudo,dankogai/rakudo,jonathanstowe/rakudo,skids/rakudo,ugexe/rakudo,paultcochrane/rakudo,tbrowder/rakudo,zostay/rakudo,ugexe/rakudo,b2gills/rakudo,ab5tract/rakudo,salortiz/rakudo,tony-o/rakudo,labster/rakudo,skids/rakudo,softmoth/rakudo,sergot/rakudo,softmoth/rakudo,Gnouc/rakudo,nbrown/rakudo,Gnouc/rakudo,raydiak/rakudo,jonathanstowe/rakudo,raydiak/rakudo,labster/rakudo,ugexe/rakudo,tony-o/rakudo,laben/rakudo,nbrown/rakudo,usev6/rakudo,cygx/rakudo,zostay/rakudo,labster/rakudo,MasterDuke17/rakudo,awwaiid/rakudo,b2gills/rakudo,nbrown/rakudo,MasterDuke17/rakudo,skids/rakudo,tony-o/rakudo,MasterDuke17/rakudo,b2gills/rakudo,salortiz/rakudo,ungrim97/rakudo,softmoth/rakudo,LLFourn/rakudo,salortiz/rakudo,dankogai/rakudo,ab5tract/rakudo,niner/rakudo,Leont/rakudo,awwaiid/rakudo,labster/rakudo,MasterDuke17/rakudo,azawawi/rakudo,nbrown/rakudo,sergot/rakudo,usev6/rakudo,zostay/rakudo,azawawi/rakudo,niner/rakudo,paultcochrane/rakudo,sjn/rakudo,b2gills/rakudo,LLFourn/rakudo,usev6/rakudo,samcv/rakudo,dankogai/rakudo,awwaiid/rakudo,cognominal/rakudo,cognominal/rakudo,laben/rakudo,softmoth/rakudo,jonathanstowe/rakudo,Leont/rakudo,samcv/rakudo,nbrown/rakudo,skids/rakudo,Leont/rakudo,zhuomingliang/rakudo,rakudo/rakudo,cognominal/rakudo,paultcochrane/rakudo,cognominal/rakudo,zhuomingliang/rakudo,niner/rakudo,ungrim97/rakudo,paultcochrane/rakudo,rakudo/rakudo,usev6/rakudo,sjn/rakudo,niner/rakudo,sjn/rakudo,MasterDuke17/rakudo,tony-o/rakudo,salortiz/rakudo,ungrim97/rakudo,zhuomingliang/rakudo,zostay/rakudo,awwaiid/rakudo,cognominal/rakudo,ugexe/rakudo,LLFourn/rakudo,sjn/rakudo,cygx/rakudo,tbrowder/rakudo,ugexe/rakudo,lucasbuchala/rakudo,tony-o/rakudo,dankogai/rakudo,rakudo/rakudo,rakudo/rakudo,labster/rakudo,nunorc/rakudo,laben/rakudo,cygx/rakudo,ungrim97/rakudo,nbrown/rakudo,nunorc/rakudo,ab5tract/rakudo,azawawi/rakudo