Update README.md

README.md

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 # Stirling-PDF-Docs
-Documentation for Stirling-PDF using docusarus
+Documentation for Stirling-PDF using [Docusaurus](https://docusaurus.io/)
+Final version is hosted [here](https://docs.stirlingpdf.com/)
 
-Users are welcome to request or update documentation
+## Prerequisites
+
+- [Node.js](https://nodejs.org/en/download) version 16.14 or above
+- npm or yarn package manager
+
+## Setup
+
+1. Install dependencies:
+```bash
+npm install
+```
+
+2. Start the development server:
+```bash
+npm start
+```
+
+The site will be available at `http://localhost:3000`
+
+## Contributing
+
+Contributions are welcome! To add or update documentation:
+
+1. Create or edit markdown files in the `docs/` directory
+2. Preview changes locally using `npm start`
+3. Submit a pull request