Add task category

This PR adds the VLM category.

README.md

@@ -8,13 +8,13 @@ dataset_info:
     dtype: string
   splits:
   - name: large
-    num_bytes: 4887309.0
+    num_bytes: 4887309
     num_examples: 300
   - name: small
-    num_bytes: 694935.0
+    num_bytes: 694935
     num_examples: 50
   download_size: 5582337
-  dataset_size: 5582244.0
+  dataset_size: 5582244
 configs:
 - config_name: default
   data_files:
@@ -22,6 +22,8 @@ configs:
     path: data/large-*
   - split: small
     path: data/small-*
+task_categories:
+- image-text-to-text
 ---
 
 # RotBench
@@ -64,4 +66,4 @@ If you find our data useful in your research, please cite the following paper:
       primaryClass={cs.CV},
       url={https://arxiv.org/abs/2508.13968}, 
 }
-```
+```