docs(readme): Add audit report export section with example image

- Update README.md and README_EN.md with new section about audit report export
- Add new image 'public/images/审计报告示例.png' demonstrating audit report export feature
- Include descriptions highlighting JSON and PDF export capabilities
- Enhance documentation with visual example of audit report functionality

README.md

@@ -57,6 +57,10 @@
 ![项目管理](public/images/example3.png)
 *集成 GitHub/GitLab 仓库，支持多语言项目审计和批量代码分析*
 
+#### 审计报告导出
+![审计报告示例](public/images/审计报告示例.png)
+*支持导出 JSON 和 PDF 格式的专业审计报告，包含完整的问题详情和
+
 ## 🚀 快速开始
 
 ### 🐳 Docker 部署（推荐）

README_EN.md

@@ -57,6 +57,10 @@ In the fast-paced world of software development, ensuring code quality is crucia
 ![Project Management](public/images/example3.png)
 *Integrated GitHub/GitLab repositories, supporting multi-language project audits and batch code analysis*
 
+#### 📄 Audit Report Export
+![Audit Report Example](public/images/审计报告示例.png)
+*Support exporting professional audit reports in JSON and PDF formats, including complete issue details and fix suggestions*
+
 ## 🚀 Quick Start
 
 ### 🐳 Docker Deployment (Recommended)