feat(git): add file-history alias
feat(git): add file-history alias

This alias allows for a deep dive into the history of a single file
following renames. This can be more helpful than a simple git blame when
digging into a file.

This was found at Andrew Ray's blog.

[1] https://blog.andrewray.me/a-better-git-blame/

KyleOndy/dotfiles,KyleOndy/dotfiles,KyleOndy/dotfiles