Add link to paper

This PR adds a link to the paper on Hugging Face to improve discoverability.

README.md

@@ -1,7 +1,10 @@
 ---
-license: mit
 language:
 - en
+license: mit
+size_categories:
+- 10K<n<100K
+pretty_name: SVRPBench Dataset
 tags:
 - Optimization
 - combinatorics
@@ -9,10 +12,8 @@ tags:
 - SVRP
 - Logistics
 - Transportation
-pretty_name: SVRPBench Dataset
-size_categories:
-- 10K<n<100K
 ---
+
 # 🚚 SVRPBench
 
 SVRPBench is an open and extensible benchmark for the Stochastic Vehicle Routing Problem (SVRP). It includes 500+ instances spanning small to large scales (10–1000 customers), designed to evaluate algorithms under realistic urban logistics conditions with uncertainty and operational constraints.
@@ -118,5 +119,4 @@ If you use this benchmark in your research, please cite:
 
 This project is licensed under the MIT License.
 
-
-- 📄 Paper: [Arxiv](https://arxiv.org/abs/2505.21887)
+- 📄 Paper: [Arxiv](https://arxiv.org/abs/2505.21887) / [Hugging Face](https://huggingface.co/papers/2505.21887)