Add comments capability in MR conflicts view
### Problem to solve Point a specific line in the MR conflicts view and add a comment or a question. ### Further details Ask question to the other devs regarding conflicts in the MR. ### Proposal Clic on the line number and a green comment symbol appear next to it. Clic on the comment symbol and a classic issue/comment/wiki form appears ready to be used. When lines have comments, a not-green comment symbol could indicate the number of comments. Maybe a unfolded mod could open all comments on the side (bigger line number margin). The comment should be listed in the main merge view in the comments list. Maybe with a special symbol and a direct link to the conflict line. ### What does success look like, and how can we measure that? you tell me. ### Links / references
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