GitDown

Generates nested table of contents with configurable depth and root sections, using the markdown-contents library as detailed in the README.

Integrates Deadlink to check URLs and fragment identifiers, throwing errors for broken links to ensure documentation accuracy.

Allows registration of custom helpers with weight-based processing order, enabling project-specific markdown extensions as shown in the syntax section.

Automatically creates badges for services like npm and Travis using shields.io, based on environment variables and package.json.