Docs: new article devops + game dev with GitLab
See the general Documentation guidelines http://docs.gitlab.com/ce/development/doc_styleguide.html
What does this MR do?
- For gitlab-com/community-writers#5 (closed)
- Follow-up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13255
- Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/43948
EE-version: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/4868
cc/ @blitzgren
Edited by Marcia Ramos