Adds a link to each blame hunk, to view the blame of an earlier version of the file, similar to GitHub. Also refactors the blame render from fmtstring based to template based.
* Fix blame bottom line and add blame prior button
* Jump to previous parent commit from the commit.
* Fix previous commit link
* Fix previous blame link
* Fix the given file not exist in the previous commit.
* Fix blameRow struct not export
* fix theming issues, rename template var
* remove unused LastCommit fetch
* fix location of blame-hunk divider
* rewrite previous commit checks
* remove duplicate commit lookup
its already resolved and stored in ctx.Repo.Commit!
* split out blamePart processing into function
Co-authored-by: rogerluo410 <rogerluo410@gmail.com>
Norwin