feat: 在README中新增PyMuPDF安装说明

zhch/README.md

@@ -19,6 +19,8 @@ python -c "import torch; print(torch.__version__)"
 # uv pip install flash-attn==2.8.3 --find-links https://github.com/Dao-AILab/flash-attention/releases
 
 uv pip install -U -e '.[all]'
+
+pip install PyMuPDF
 ```
 
 ## 1.3 modelscope 下载模型