Suggest forking in CONTRIBUTING.md

Author: jspahrsummers

CONTRIBUTING.md

@@ -6,12 +6,9 @@ Thank you for your interest in contributing to the MCP Python SDK! This document
 
 1. Make sure you have Python 3.10+ installed
 2. Install [uv](https://docs.astral.sh/uv/getting-started/installation/)
-3. Clone the repository:
-```bash
-git clone https://github.com/modelcontextprotocol/python-sdk.git
-cd python-sdk
-```
-4. Install dependencies:
+3. Fork the repository
+4. Clone your fork: `git clone https://github.com/YOUR-USERNAME/python-sdk.git`
+5. Install dependencies:
 ```bash
 uv sync --frozen --all-extras --dev
 ```