This PR significantly enhances the model card by:
- Adding the `pipeline_tag: unconditional-image-generation` to improve discoverability on the Hub.
- Including a visual teaser image for better engagement.
- Incorporating the paper's abstract in an "About" section for a quick overview.
- Providing a direct link to the official GitHub repository.
- Adding comprehensive usage instructions with code snippets for environment setup, model download, and inference, sourced directly from the GitHub README.
- Including tables for associated datasets and pre-trained models with their respective Hugging Face Hub links.
Please review and merge this PR to make this model more accessible and informative for the community!