fix: add StackBlitz links to README and index documentation for easier access

Author: Ghassen-Lassoued

README.md

@@ -12,6 +12,7 @@
 [![Bundle Size React](https://img.shields.io/bundlephobia/minzip/@computekit/react?label=react%20size)](https://bundlephobia.com/package/@computekit/react)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![TypeScript](https://img.shields.io/badge/TypeScript-5.0-blue)](https://www.typescriptlang.org/)
+[![Open in StackBlitz](https://developer.stackblitz.com/img/open_in_stackblitz.svg)](https://stackblitz.com/edit/compute-kit?file=README.md)
 
 [📚 Documentation](https://tapava.github.io/compute-kit) • [Live Demo](https://computekit-demo.vercel.app/) • [Getting Started](#-getting-started) • [Examples](#-examples) • [API](#-api) • [React Hooks](#-react-hooks) • [WASM](#-webassembly-support)
 

docs/index.md

@@ -22,6 +22,7 @@ Run heavy computations with React hooks. Use WASM for native-speed performance.
 
 [Get Started](#getting-started){: .btn .btn-primary .fs-5 .mb-4 .mb-md-0 .mr-2 }
 [View on GitHub](https://github.com/tapava/compute-kit){: .btn .fs-5 .mb-4 .mb-md-0 }
+[Try on StackBlitz](https://stackblitz.com/edit/compute-kit?file=README.md){: .btn .btn-outline .fs-5 .mb-4 .mb-md-0 }
 
 ---