Todo: * [x] Tooltips for hunk buttons * [x] Buttons to go to next and previous hunk * [x] Ellipsis button that opens a context menu with `Revert all` /cc @iamnbutler @danilo-leal for design 👀 Release Notes: - Changed the behavior of the git gutter so that diff hunk are expanded immediately when clicking the gutter, and hunk controls are displayed above the hunk. --------- Co-authored-by: Marshall <marshall@zed.dev> Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>