Create Development Environment Setup Guide

Add detailed development setup documentation including:

• Required Python versions and dependencies
• nbdev workflow explanation
• Common development tasks
• Troubleshooting guide

Example additions:

## Development Setup
1. Install dependencies:
```bash
pip install -e '.[dev]'
nbdev_install_quarto

2. Setup pre-commit hooks:

nbdev_install_hooks

Estimated time: 2-4 hours