Add dataset card, project page link, task category, hugging face paper page

This PR ensures the dataset is linked to (and can be found at) https://huggingface.co/papers/2503.19901.

It also adds a link to the project page and specifies the task category.

README.md

@@ -1,5 +1,7 @@
 ---
 license: mit
+task_categories:
+- robotics
 ---
 
 # TokenHSI Dataset Instruction
@@ -36,4 +38,5 @@ Please download the datasets and organize them as the following file structure:
   *   dataset_carry
 
 github repo: https://github.com/liangpan99/TokenHSI  
-arXiv paper: https://arxiv.org/abs/2503.19901
+arXiv paper: https://huggingface.co/papers/2503.19901
+Project page: https://liangpan99.github.io/TokenHSI/