Add link to paper and task category

This PR ensures the dataset is linked to (and can be found at) https://huggingface.co/papers/2503.06520.

It also adds a link to the Github repository and the appropriate task category.

README.md

@@ -24,4 +24,10 @@ configs:
   data_files:
   - split: train
     path: data/train-*
+task_categories:
+- image-segmentation
 ---
+
+Dataset for the paper [Seg-Zero: Reasoning-Chain Guided Segmentation via Cognitive Reinforcement](https://huggingface.co/papers/2503.06520).
+
+Code: https://github.com/dvlab-research/Seg-Zero