update link to website new working group
update link to website new working group

The website working group link on the working groups page
(https://nodejs.org/en/about/working-groups/#website) is currently
going to the io.js repo. This is update to go to this website working
group repo.

wonderdogone/new.nodejs.org,phillipj/new.nodejs.org,yous/new.nodejs.org,phillipj/new.nodejs.org,strawbrary/nodejs.org,matthewloring/new.nodejs.org,nodejs/new.nodejs.org,boneskull/new.nodejs.org,strawbrary/nodejs.org,wonderdogone/new.nodejs.org,boneskull/new.nodejs.org,nodejs/new.nodejs.org,marocchino/new.nodejs.org,rnsloan/new.nodejs.org,abdelrahmansaeedhassan/yuri,matthewloring/new.nodejs.org,abdelrahmansaeedhassan/yuri,yous/new.nodejs.org,rnsloan/new.nodejs.org,marocchino/new.nodejs.org