Add task category

This PR adds the task category metadata to the dataset card.

README.md

@@ -27,6 +27,8 @@ configs:
     path: data/train-*
   - split: test
     path: data/test-*
+task_categories:
+- table-question-answering
 ---
 
 # MMK12
@@ -94,4 +96,4 @@ If you find this project useful in your research, please consider citing:
   journal={arXiv preprint arXiv:2503.07365},
   year={2025}
 }
-
+```