Add task category, link to paper and project page

This PR ensures the dataset is linked to (and can be found at) https://huggingface.co/papers/2503.05085.

It also adds the task category and project page.

README.md

@@ -1,10 +1,15 @@
 ---
 license: cc-by-nc-sa-4.0
+task_categories:
+- audio-to-audio
 ---
 
 # S2S-Arena Dataset
 
 This repository hosts the **S2S-Arena** dataset. It covers four practical domains with 21 tasks, includes 154 instructions of varying difficulty levels, and features a mix of samples from TTS synthesis, human recordings, and existing audio datasets.
+
+[Project Page](https://huggingface.co/spaces/FreedomIntelligence/S2S-Arena)
+
 ## Introduction
 ### GitHub Repository
 
@@ -13,7 +18,7 @@ For more information and access to the dataset, please visit the GitHub reposito
 
 ### Related Publication
 
-For detailed insights into the dataset’s construction, methodology, and applications, please refer to the accompanying academic publication: `[coming soon]`
+For detailed insights into the dataset’s construction, methodology, and applications, please refer to the accompanying academic publication: [S2S-Arena, Evaluating Speech2Speech Protocols on Instruction Following with Paralinguistic Information](https://huggingface.co/papers/2503.05085)
 
 ## Data Description
 
@@ -57,4 +62,4 @@ The dataset includes labeled audio files, textual emotion annotations, language
       url={https://arxiv.org/abs/2503.05085}, 
 }
 
-```
+```