Add personas
Adds personas from https://docs.gitlab.com/ee/development/ux_guide/users.html to personas section in design system.
Closes https://gitlab.com/gitlab-org/design.gitlab.com/issues/15
Edited by Taurie Davis
Adds personas from https://docs.gitlab.com/ee/development/ux_guide/users.html to personas section in design system.
Closes https://gitlab.com/gitlab-org/design.gitlab.com/issues/15