fix(ci): add Quick Reference section with version to CLAUDE.md

The version-check workflow expects CLAUDE.md to have a Quick Reference
section with the pattern "**Current Version**: vX.Y.Z".

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: sjnims

CLAUDE.md

@@ -6,6 +6,10 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 This repository is a **plugin marketplace** containing the **plugin-dev** plugin - a comprehensive toolkit for developing Claude Code plugins. It provides 7 specialized skills, 3 agents, and 1 guided workflow command for building high-quality plugins.
 
+## Quick Reference
+
+**Current Version**: v0.1.0
+
 ## Repository Structure
 
 ```