Add hydai/zsh-ccusage

Add `hydai/zsh-ccusage` plugin

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

Author: unixorn

README.md

@@ -845,6 +845,7 @@ Here are a few good sources for Nerd Fonts and Powerline-compatible fonts:
 - [caper-bush](https://github.com/kobylinski/caper-bush) - Enhances Git's tab autocomplete by using AI to generate concise, context-aware summaries of staged changes for thoughtful commit messages. Requires and OpenAI key, `jq` and `yq`.
 - [careful_rm](https://github.com/MikeDacre/careful_rm) - A wrapper for `rm` that adds trash/recycling and useful warnings.
 - [case](https://github.com/rtuin/zsh-case) - A ZSH plugin that adds two aliases `tolower` and `toupper` to switch output case.
+- [ccusage](https://github.com/hydai/zsh-ccusage) - Displays real-time AI usage costs from the `ccusage` CLI tool directly in your terminal prompt.
 - [cd-gitroot](https://github.com/mollifier/cd-gitroot) - A ZSH plugin to `cd` to the `git` repository root directory.
 - [cd-ls](https://github.com/zshzoo/cd-ls) - Automatically `ls` after `cd`.
 - [cd-reminder](https://github.com/bartboy011/cd-reminder) - Display reminders when `cd`-ing into specified directories.