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

2. Setup pre-commit hooks:
```bash
nbdev_install_hooks
```
```

Estimated time: 2-4 hours