fix: update Live Demo link to codestz.dev

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: Codestz

README.md

@@ -8,7 +8,7 @@
 ![TypeScript](https://img.shields.io/badge/TypeScript-5-blue)
 ![Tailwind](https://img.shields.io/badge/Tailwind-4.0-06B6D4)
 
-**[Live Demo](https://your-domain.com)** • **[About Me](https://github.com/Codestz)**
+**[Live Demo](https://codestz.dev)** • **[About Me](https://github.com/Codestz)**
 
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