README.md

use as git subtree (preferred)

add gitlab-ci to your extension

git subtree add --prefix .Build/gitlab-ci https://git.slub-dresden.de/typo3/gitlab-ci.git main --squash

add a .gitlab-ci.yml to your extension root, with this content

include:
  - local: '.Build/gitlab-ci/extension-gitlab-ci.yml'

pull from remote

git subtree pull --prefix .Build/gitlab-ci https://git.slub-dresden.de/typo3/gitlab-ci.git main --squash

push from remote

git subtree push --prefix .Build/gitlab-ci https://git.slub-dresden.de/typo3/gitlab-ci.git main

use from remote repository