This PR significantly improves the model card for `ThinkSound`. It:
- Adds the `pipeline_tag: other` metadata for better discoverability of this multimodal audio generation and editing model.
- Adds comprehensive links to the Hugging Face paper page, the GitHub repository, and the Hugging Face Space demo.
- Includes the paper abstract for a quick overview of the work.
- Incorporates detailed "Features" and "Method Overview" sections to explain the model's capabilities and architecture.
- Provides a "Quick Start" guide for users to easily run the model locally, including environment setup and demo instructions.
- Enhances visual appeal by including key diagrams from the project.
This update makes the model card much more informative and user-friendly.
