update readme (#566)

README.md

@@ -77,6 +77,8 @@
 
 For comprehensive usage instructions, please refer to our documentation: **[English Docs](https://lightx2v-en.readthedocs.io/en/latest/) | [中文文档](https://lightx2v-zhcn.readthedocs.io/zh-cn/latest/)**
 
+**We highly recommend using the Docker environment, as it is the simplest and fastest way to set up the environment. For details, please refer to the Quick Start section in the documentation.**
+
 ### Installation from Git
 ```bash
 pip install -v git+https://github.com/ModelTC/LightX2V.git

README_zh.md

@@ -77,6 +77,8 @@
 
 详细使用说明请参考我们的文档：**[英文文档](https://lightx2v-en.readthedocs.io/en/latest/) | [中文文档](https://lightx2v-zhcn.readthedocs.io/zh-cn/latest/)**
 
+**我们强烈推荐使用 Docker 环境，这是最简单快捷的环境安装方式。具体参考：文档中的快速入门章节。**
+
 ### 从 Git 安装
 ```bash
 pip install -v git+https://github.com/ModelTC/LightX2V.git