Docs: Move howto.md page into the gitlab repo
The content in https://gitlab.com/gitlab-org/gitlab-development-kit/blob/main/doc/howto/pages.md would be helpful in the main docs.
Edited by Eric Schurter
The content in https://gitlab.com/gitlab-org/gitlab-development-kit/blob/main/doc/howto/pages.md would be helpful in the main docs.