docs: update readme doc

Author: fecommunity

README-zh_CN.md

@@ -26,6 +26,10 @@
 
 <img src="./public/mobile.png" alt="Mobile Phone" width="500">
 
+## 🔥 在线示例
+
+[ReacPress Demo](https://blog.gaoredu.com/)
+
 ## ✨ 特性
 
 - 📦 技术栈：基于 `React` + `NextJS` + `MySQL 5.7` + `NestJS` 构建

README.md

@@ -38,6 +38,10 @@
 -  📷 Media Management: Supports local file upload and OSS file upload
 - ...
 
+## 🔥 Live Demo
+
+[ReacPress Demo](https://blog.gaoredu.com/)
+
 ## ⌨️ Development
 
 ### Environment