Approvers based on code Git blame
Similar to 'mention bot' in https://code.facebook.com/posts/597378980427792/react-native-a-year-in-review
You take the files that are modified, check who have the last 100 edits on those files, sum up the totals accross files and take the top 3.
If we make it a comment that
@mentions people we should allow people to turn if off or on.
If we make it a box we would be able to turn it on by default, which would be my preference.
The calculation will be expensive so we would have to load it async and store the result of the computation.
This was a request for the merge request approvals feature build by @vsizov but we couldn't build it at that time. I'm not sure about the interaction with that feature.