Add Zhihu link to README

Author: anxiangsir

README.md

@@ -14,7 +14,8 @@
 
 🤗 **[Models and Datasets](https://huggingface.co/collections/lmms-lab/llava-onevision-15-68d385fe73b50bd22de23713)** |
 🖥️ **[Demo](https://huggingface.co/spaces/lmms-lab/LLaVA-OneVision-1.5)** |
-📄 **[Technical Report](https://arxiv.org/abs/2509.23661)**
+📄 **[Technical Report](https://arxiv.org/abs/2509.23661)** |
+📰 [知乎](https://www.zhihu.com/question/1959577143697707446)
 
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