This PR adds a comprehensive dataset card for the MimicDroid dataset.
It includes:
- The `robotics` task category and relevant tags in the metadata.
- Links to the paper ([MimicDroid: In-Context Learning for Humanoid Robot Manipulation from Human Play Videos](https://huggingface.co/papers/2509.09769)), project page, and GitHub repository.
- An introduction and detailed description of the dataset, including its scope, training environments, and evaluation tasks, with corresponding images and tables directly from the GitHub README.
- A "Dataset Download" section with a bash code snippet to download dataset assets, as found in the GitHub README.
- The BibTeX citation for the MimicDroid paper and RoboCasa.
