[readme] changes to image part of readme
[readme] changes to image part of readme

temka1234/pkgcloud,Hopebaytech/pkgcloud,songanbui/pkgcloud,pkgcloud/pkgcloud,andrewsomething/pkgcloud,mdsummers/pkgcloud,apla/pkgcloud,mcanthony/pkgcloud,bunglestink/pkgcloud,dionjwa/pkgcloud,Phanatic/pkgcloud,DonSchenck/pkgcloud,Phanatic/pkgcloud,hacor/pkgcloud