Thanks a lot @SachinKSingh28, this looks great already! I think we should maybe do the TODOs in a follow-up PR, as this is already a pretty big diff for reviews.

Originally posted by @nejch in #3098 (review)

Tasks:

• Add documentation for project merge request status check manager.
• Add method for getting a single status check for project.
• Add method for setting the status check for an MR.