The source project of this merge request has been removed.
Expand instance-level templates to cover .gitlab-ci.yml, .gitignore and Dockerfile
What does this MR do?
In %11.3, we introduced a custom instance-level templates repository for license templates: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/6631
This MR expands support for custom instance-level templates to three other types of file.
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary 
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Documentation created/updated 
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Tests added for this feature/bug 
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Conforms to the code review guidelines 
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Conforms to the merge request performance guidelines 
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Conforms to the style guides 
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Conforms to the database guides 
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EE specific content should be in the top level /eefolder
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For a paid feature, have we considered GitLab.com plans, how it works for groups, and is there a design for promoting it to users who aren't on the correct plan? 
What are the relevant issue numbers?
Closes #5306 (closed)
Edited  by Nick Thomas