chore: add GitHub repository link to npm package

Version 1.0.1 - Fix _buildErrorMessage TypeError

Initial release of the YouTube Transcript API TypeScript port.

- Fetch transcripts from YouTube videos by ID
- Support for multiple languages and language preferences
- Automatic transcript detection
- Manual and generated transcript selection
- Translation functionality
- CLI tool with multiple output formats (text, JSON, SRT)
- Proxy support for networking through restrictive environments
- Cookie authentication for age-restricted videos

```bash
npm install youtube-transcriber
```

See the README.md for detailed usage instructions and examples.