# Sample Documentation

This is the intro before the first section.
It belongs to the root (level-0) section.

## Installation

Install via pip:

```bash
pip install mypackage
```

### Prerequisites

You need Python 3.10 or higher.

### Quick Start

Run the following command after installation.

## Usage

Basic usage examples.

### Configuration

Configure with environment variables.

#### Advanced Configuration

For advanced use cases, see the full config reference.

## API Reference

Full API documentation.

## Contributing

We welcome contributions.
