Add a button to `git blame` the `sha^` (parent commit) on each commit on a `git blame` page.
当前为
Add a button to git blame the sha^ (parent commit) on each commit on a git blame page.

https://github.com/Zren/ResizeYoutubePlayerToWindowSize/blob/master/changelog.md
// @include https://mydomain.com* to the script.