Add task category and link to paper

This PR ensures the dataset is linked to (and can be found at) https://huggingface.co/papers/2505.10996.

It also adds the appropriate task category for this dataset.

README.md

@@ -1,3 +1,9 @@
----
-license: apache-2.0
----
+---
+license: apache-2.0
+task_categories:
+- image-classification
+---
+
+This repository contains the dataset described in the paper [Visual Anomaly Detection under Complex View-Illumination Interplay: A Large-Scale Benchmark](https://huggingface.co/papers/2505.10996).
+
+Project page: https://hustcyq.github.io/M2AD