Format readme

README.md

@@ -1,5 +1,7 @@
 # Fish Speech
 
+**Documentation is under construction**
+
 [中文文档](README.zh.md)
 
 This codebase is released under BSD-3-Clause License, and all models are released under CC-BY-NC-SA-4.0 License. Please refer to [LICENSE](LICENSE) for more details. 

README.zh.md

@@ -1,5 +1,7 @@
 # Fish Speech
 
+** 文档正在编写中 **
+
 此代码库根据 BSD-3-Clause 许可证发布，所有模型根据 CC-BY-NC-SA-4.0 许可证发布。请参阅 [LICENSE](LICENSE) 了解更多细节。
 
 ## 免责声明