Adds growth page with content from @lfarrer in https://docs.google.com/document/d/16erBlovOazqBIUbvcEmKEAuot-IBV7pi7mxsShoBWGI/edit#bookmark=id.ewftgn7lyz74
Part of https://gitlab.com/gitlab-com/ceo-chief-of-staff-team/workplace/teamops-fy24-q2/-/issues/3