Add zshzoo/iwd

Add `zshzoo/iwd` plugin

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

Author: unixorn

README.md

@@ -895,6 +895,7 @@ Here are a few good sources for Nerd Fonts and Powerline-compatible fonts:
 - [iterm2-tabs](https://github.com/gimbo/iterm2-tabs.zsh) - Set colors and titles of iTerm 2 tabs.
 - [iterm2-utilities](https://github.com/decayofmind/zsh-iterm2-utilities) - Helps download various iTerm2 utilities and lets you omit cloning of the whole iterm2-website repository or relying on other repos which may be out of sync.
 - [iterm2](https://github.com/laggardkernel/zsh-iterm2) - Packs iTerm 2's ZSH integration scripts into a ZSH plugin to avoid polluting your $HOME directory, with a negligible time increase of only 2ms.
+- [iwd](https://github.com/zshzoo/iwd) - Similar in concept to `$PWD`, this ZSH plugin saves your initial working directory in `$IWD` for easy returns to the starting point of your session.
 - [jabba](https://github.com/2m/zsh-jabba) - Adds shell integration code and completions for the [jabba](https://github.com/shyiko/jabba) Java version manager.
 - [java-zsh-plugin](https://github.com/Xetius/java-zsh-plugin) - Adds a `setjdk` command so you can switch easily between different versions of the jdk.
 - [javaVersions](https://github.com/miguefl/javaVersions) - Change between different java versions with a single command.