This PR significantly enhances the model card for MimicMotion by:
- Adding `pipeline_tag: image-to-video`, ensuring the model is discoverable under the correct pipeline on the Hub.
- Adding `library_name: diffusers`, which enables the "Use in Diffusers" widget and automatic loading snippets.
- Including a direct link to the paper ([MimicMotion: High-Quality Human Motion Video Generation with Confidence-aware Pose Guidance](https://huggingface.co/papers/2406.19680)).
- Adding a link to the official project page ([https://tencent.github.io/MimicMotion](https://tencent.github.io/MimicMotion)).
- Adding a link to the GitHub repository ([https://github.com/Tencent/MimicMotion](https://github.com/Tencent/MimicMotion)).
- Expanding the introduction with a summary of the paper's abstract for better understanding.
- Incorporating a visual overview of the model architecture.
- Providing a detailed "Sample Usage" section based on the project's Quickstart guide, making it easier for users to get s…
