Provide application.css from master branch via GitLab Pages

What does this MR do?

Adds application.css and application.css.gz as artifacts to the pages job, so it can be used in other projects such as https://gitlab.com/gitlab-org/gitlab-ui/ and https://gitlab.com/gitlab-org/design.gitlab.com.

What are the relevant issue numbers?

closes gitlab-ui#95 (closed)

Does this MR meet the acceptance criteria?

Merge request reports

Loading