Merge pull request #1703 from unixorn/2023-updates

Add `lmllrjr/backbone-zsh-prompt`

Author: unixorn

README.md

@@ -1596,6 +1596,7 @@ If you're using [Antigen](https://github.com/zsh-users/antigen), you can test th
 - [avit-mod](https://github.com/zlsun/avit-mod) - Modified version of oh-my-zsh's [avit](https://github.com/ohmyzsh/ohmyzsh/blob/master/themes/avit.zsh-theme) theme.
 - [avoleo](https://github.com/flameleo11/avoleo-zsh-theme) - Features a date and time prompt for each command, as well as a command number in history. In addition, it uses special symbols '⠾' and '⡶' to display `git` information if applicable in the current path. It also supports custom colors based on the Gnome-Terminal default color palette.
 - [aws](https://github.com/chiemerieezechukwu/aws-zsh-theme) - Based on [robbyrussell](https://github.com/ohmyzsh/ohmyzsh/wiki/Themes#robbyrussell), with an extra decorator to show your `$AWS_PROFILE` when it is set.
+- [backbone](https://github.com/lmllrjr/backbone-zsh-prompt) - Bare minimum single file prompt, fast as the roadrunner. Includes decorators for current directory, `git`, `hg`, `mq` and `quilt` information.
 - [banana](https://github.com/sorcererxw/banana-zsh-theme) - Includes `git` status decorations and current directory.
 - [bandit](https://github.com/Holger-Will/zsh_bandit) - Another Powerline variant.
 - [bar (anki-code)](https://github.com/anki-code/bar-theme) - Minimalist settings for [p10k](https://github.com/romkatv/powerlevel10k).