Add metadata and code link to TST100K dataset card

README.md

@@ -1,6 +1,12 @@
+---
+task_categories:
+- image-to-image
+license: other
+---
+
 # TST100K: A Large-Scale Triplet Dataset for Tone Style Transfer
 
-[Project Page](https://dengyuhai.github.io/ICTone_Project/) | [Paper](https://arxiv.org/abs/2604.16114)
+[Project Page](https://dengyuhai.github.io/ICTone_Project/) | [Paper](https://arxiv.org/abs/2604.16114) | [Code](https://github.com/dengyuhai/ICTone)
 
 TST100K is a large-scale dataset for **reference-based tone style transfer** in photo retouching. The current release contains **108,808 image triplets** constructed from the public PPR10K, MIT-Adobe FiveK, and Food-101 research datasets.
 
@@ -96,4 +102,4 @@ If you use TST100K in your research, please cite:
   archivePrefix = {arXiv},
   primaryClass  = {cs.CV}
 }
-```
+```