Add task category

This PR adds the task category to the dataset card and links it to the paper.

README.md

@@ -1,20 +1,24 @@
 ---
-license: cc-by-nc-4.0
 language:
 - en
-pretty_name: IndustryOR
+license: cc-by-nc-4.0
+task_categories:
+- text-generation
 size_categories:
 - n<1K
+pretty_name: IndustryOR
 configs:
 - config_name: default
   data_files:
   - split: test
-    path: "IndustryOR.json"
+    path: IndustryOR.json
 ---
 
 ## Overview
 IndustryOR, the first industrial benchmark, consists of 100 real-world OR problems. It covers 5 types of questions—linear programming, integer programming, mixed integer programming, non-linear programming, and others—across 3 levels of difficulty.
 
+Paper: https://huggingface.co/papers/2405.17743
+
 ## Citation
 
 ```latex