Add shirozuki/shiro-zsh-theme theme

Add `shirozuki/shiro-zsh-theme` theme

Signed-off-by: Joe Block <[email protected]>

README.md

@@ -2499,7 +2499,8 @@ If you're using [Antigen](https://github.com/zsh-users/antigen), you can test th
 - [shini](https://github.com/bashelled/shini) - A tiny theme that just shouts out small. Includes directory, username, hostname, time and `git` decorations.
 - [shinkansen](https://github.com/MRZ07/shinkansen.zsh-theme) - A fast, customizable and easily extended theme. Includes decorators for rhw python version in the active virtualenv, current ruby version if you're using `chruby`, current Node.js version, current java version, current go version, current perl version if using `chperl`, current elixir version, `git` status, time, current directory, exit code and execution time of the last command, and an optional custom message. Requires a powerline-compatible font.
 - [shirnschall](https://github.com/shirnschall/shirnschall-zsh-theme) - Includes `git` status and `user@hostname` decorations.
-- [shiro](https://github.com/ArturDobrowolski/shiro-zsh-theme) - Includes decorators for current directory, `git` status, and exit status and execution time of last command run.
+- [shiro (arturDobrowolski)](https://github.com/ArturDobrowolski/shiro-zsh-theme) - Includes decorators for current directory, `git` status, and exit status and execution time of last command run.
+- [shiro (shirozuki)](https://github.com/shirozuki/shiro-zsh-theme) - Includes decorators for current directory, `git` status and execution time and exit status of last command run.
 - [shocm](https://github.com/ericvanjohnson/shocm-zsh-themes) - Forked from [sixlive](https://github.com/sixlive/sixlive-zsh-theme). Has `git` decorations.
 - [short-ys](https://github.com/OREOmini/short-ys-zsh-theme) - Based on the [ys](https://github.com/ohmyzsh/ohmyzsh/blob/master/themes/ys.zsh-theme) theme. Includes `git` and `hg` status decorations.
 - [shrikant](https://github.com/shr1k4nt/shrikant_zsh_theme) - Includes `git` decorations.