Add continuous integration
Added .gitlab-ci.yml file for continuous integration with gitlab pipeline
Task: #324947
How to register an account on GitLab. To prevent spam, new accounts are locked until approved by an admin or the approver bot. You can also file an unlock request to expedite access.
Support: mw:GitLab, how to host a project on GitLab, #wikimedia-gitlab on libera.chat, #GitLab on Phabricator.
Added .gitlab-ci.yml file for continuous integration with gitlab pipeline
Task: #324947