Add link to paper

This PR adds a link to the paper [LoopVL: Recurrent Visual Intelligence](https://huggingface.co/papers/2609.38426) in the model card, making it easier for users to access the paper.

README.md

@@ -12,7 +12,8 @@ tags:
 <p align="center">
   <a href="https://github.com/Tier-Flow/LoopVL">GitHub · Code &amp; evaluation</a> &nbsp;·&nbsp;
   <a href="https://huggingface.co/TierFlow/LoopVL">Hugging Face</a> &nbsp;·&nbsp;
-  <a href="https://modelscope.cn/models/Eternity123/LoopVL">ModelScope</a>
+  <a href="https://modelscope.cn/models/Eternity123/LoopVL">ModelScope</a> &nbsp;·&nbsp;
+  <a href="https://huggingface.co/papers/2609.38426">Paper</a>
 </p>
 
 This repository contains **one `model.safetensors` and flat configuration,
@@ -47,4 +48,4 @@ model with `.half()` or `.bfloat16()`.
 
 > [!TIP]
 > For LoopVL-1B benchmark evaluation and behavior exploration, prefer direct
-> answers. Chain-of-thought prompting is recommended only for mathematics tasks.
+> answers. Chain-of-thought prompting is recommended only for mathematics tasks.