Grafter

Permit to requiere merge from branch to branch

• describe with md (meta from, to, author, reviewer, labels…)
• reviewer make review in ide (code worktree)
• when reviewer push grafter make a diff with previous commit and note in graft.md file all files/line modified
• author can view questions/code change in ide
• when author push grafter make a diff with previous commit and note in graft.md file all files/line modified
• when assignee add a comment /merge grafter make the merge