Add task category and links to dataset card

README.md

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-The two real-world test sets used by HarnessIR, and the result images of HarnessIR.
+---
+task_categories:
+- image-to-image
+---
+
+The two real-world test sets used by HarnessIR, and the result images of HarnessIR.
+
+This dataset accompanies the paper [HarnessIR: Harnessing Multimodal Foundation Models for Universal Real-World Image Restoration](https://huggingface.co/papers/2610.10133).
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+- **Project page:** [https://polyu-vclab.github.io/HarnessIR/](https://polyu-vclab.github.io/HarnessIR/)
+- **Code:** [https://github.com/PolyU-VCLab/HarnessIR](https://github.com/PolyU-VCLab/HarnessIR)
+
+It contains the real-world paired and unpaired test sets (Real-Paired-200 and Real-NoGT-200) used in the paper, along with the restored output images produced by the HarnessIR framework.