Add project page link to model card

This PR enhances the model card by adding a link to the project page for OpenVLThinker, making it easier for users to find additional resources related to the model.

README.md

@@ -1,15 +1,15 @@
 ---
 base_model:
 - Qwen/Qwen2.5-VL-7B-Instruct
-license: apache-2.0
 library_name: transformers
+license: apache-2.0
 pipeline_tag: image-text-to-text
 ---
 
 ## Overview
 OpenVLThinker-7B-v1.2 is a vision-language reasoning model designed to handle multimodal tasks. It is especially tuned for visual mathematical problem-solving.
 
-For more details: [Paper](https://arxiv.org/abs/2503.17352), [GitHub](https://github.com/yihedeng9/OpenVLThinker)
+For more details: [Paper](https://arxiv.org/abs/2503.17352), [GitHub](https://github.com/yihedeng9/OpenVLThinker), [Project Page](https://yihe-deng.notion.site/openvlthinker)
 
 ## How to use
 ```python