change curl to wget in the readme
change curl to wget in the readme

sambooo/pachyderm,ShengjieLuo/pachyderm,ShengjieLuo/pachyderm,kunthar/pachyderm,wideioltd/pachyderm,phacops/pachyderm,alexdebrie/pachyderm,klucar/pachyderm,kunthar/pachyderm,phacops/pachyderm,sambooo/pachyderm,alexdebrie/pachyderm,ShengjieLuo/pachyderm,klucar/pachyderm,henrylee2cn/pachyderm,klucar/pachyderm,wideioltd/pachyderm,sambooo/pachyderm,alexdebrie/pachyderm,henrylee2cn/pachyderm