This PR improves the dataset card by:
1. Adding the `text-generation` task category to the YAML metadata.
2. Including a link to the associated paper: [From Leaky Thoughts to Private Reasoning: Controlling What LRMs Say to Themselves](https://huggingface.co/papers/2602.24210).
3. Adding a link to the official [GitHub repository](https://github.com/UKPLab/arxiv2026-controllable-reasoning-models).