Add task categories and paper link

This PR adds `task_categories` to the dataset card.

README.md

@@ -3,7 +3,11 @@ license: cc-by-nc-4.0
 tags:
 - coding
 - agents
+task_categories:
+- code-generation
+- bug-fixing
 ---
+
 # SWE-PolyBench
 
 [SWE-PolyBench](https://github.com/amazon-science/SWE-PolyBench) is a multi language repo level software engineering benchmark. Currently it includes 4 languages: Python, Java, Javascript, and Typescript. The number of instances in each language is:
@@ -73,6 +77,6 @@ If you find our work useful please cite:
       eprint={2504.08703},
       archivePrefix={arXiv},
       primaryClass={cs.SE},
-      url={https://arxiv.org/abs/2504.08703}, 
+      url={https://huggingface.co/papers/2504.08703}, 
 }
 ```