.gitconfig: add "rebase.autoStash" = "true"
.gitconfig: add "rebase.autoStash" = "true"

Quoting from `man git-config`:
> Automatically create a temporary stash before the operation begins,
> and apply it after the operation ends.  This means that you can run
> rebase on a dirty worktree.  However, use with care: the final stash
> application after a successful rebase might result in non-trivial
> conflicts.

goldie-lin/dotfiles