Add dataset card for DanceRemix

This PR adds a comprehensive dataset card for the `DanceRemix` dataset, introduced in the paper [DanceEditor: Towards Iterative Editable Music-driven Dance Generation with Open-Vocabulary Descriptions](https://huggingface.co/papers/2508.17342).

It includes:
- A link to the paper.
- A link to the project page.
- A link to the code repository.
- Relevant metadata, including `task_categories`, `tags`, and `language`.

README.md

@@ -0,0 +1,20 @@
+---
+task_categories:
+- text-to-video
+language:
+- en
+tags:
+- dance-generation
+- motion-generation
+- music-driven
+---
+
+# DanceRemix Dataset
+
+This repository contains the **DanceRemix** dataset, introduced in the paper [DanceEditor: Towards Iterative Editable Music-driven Dance Generation with Open-Vocabulary Descriptions](https://huggingface.co/papers/2508.17342).
+
+DanceRemix is a large-scale multi-turn editable dance dataset, comprising over 25.3 million dance frames and 84.5K pairs. It is designed to facilitate iterative and editable music-driven dance generation coherently aligned with given music signals and open-vocabulary descriptions.
+
+*   **Paper:** [DanceEditor: Towards Iterative Editable Music-driven Dance Generation with Open-Vocabulary Descriptions](https://huggingface.co/papers/2508.17342)
+*   **Project Page:** https://lzvsdy.github.io/DanceEditor/
+*   **Code:** https://github.com/LZVSDY/DanceEditor