Use the [GitHub integration documentation](https://www.openproject.org/docs/system-admin-guide/integrations/github-integration/) as foundation.

Add GitLab specific features, such as:

* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion **Merge Requests** _(this is similar to GitHub pull requests)_
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion **Issues**
* [ ] **Pipelines** _(this is similar to GitHub Actions)_
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion **Git Snippets** _(agnostic for GitHub and GitLab)_
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion **Gitlab Bot User**_: Similar to Github integration / Also see https://github.com/btey/openproject-gitlab-integration?tab=readme-ov-file#the-gitlab-bot-user-in-openproject_

Include the following configuration guides for system admins

* [ ] Cover the case when a previous installation of the GitLab plugin existed with the following resolution steps
* [ ] Upon upgrading to the new OpenProject version with core GitLab integration, admins should remove the Git trace _modules/gitlab\_integration/.git_ as OpenProject core would have overwritten that directory
* [ ] OpenProject will show a sticky warning for admins IF it detects a previous installation- with instructions linked on how to resolve this issue.
* [ ] Reference the above in a troubleshooting section as well in case users miss the first notice