toggle wip status using GraphQL mutation
What does this MR do?
This adds the setup for performing mutations trough GraphQL. A PoC for this is the WIP mutation, toggling the wip status of a merge request.
It adds an example of how to authorize actions, load resources, return errors.
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
API support added -
Tests added for this feature/bug - Conform by the code review guidelines
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Has been reviewed by a Backend maintainer
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What are the relevant issue numbers?
Edited by Bob Van Landuyt