docs: add testing guide to navigation and next step links

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Co-Authored-By: Claude <[email protected]>

Author: brooksyang

docs/.vitepress/config.mts

@@ -134,6 +134,7 @@ export default defineConfig({
             text: '更多',
             items: [
               { text: '开发规范', link: '/development/standards' },
+              { text: '测试指南', link: '/development/testing' },
               { text: 'Docker 部署', link: '/deployment/docker' },
               { text: '微服务拆分', link: '/advanced/microservices' }
             ]
@@ -223,6 +224,7 @@ export default defineConfig({
             text: 'More',
             items: [
               { text: 'Development Standards', link: '/en/development/standards' },
+              { text: 'Testing Guide', link: '/en/development/testing' },
               { text: 'Docker Deployment', link: '/en/deployment/docker' },
               { text: 'Microservice Decomposition', link: '/en/advanced/microservices' }
             ]

docs/en/development/standards.md

@@ -459,4 +459,5 @@ make swagger
 
 ## Next Step
 
+- [Testing Guide](./testing.md) - Learn about project testing standards and best practices
 - [Docker Deployment](../deployment/docker.md) - Deploy Bingo projects using Docker

docs/zh/development/standards.md

@@ -459,4 +459,5 @@ make swagger
 
 ## 下一步
 
+- [测试指南](./testing.md) - 了解项目的测试规范和最佳实践
 - [Docker 部署](../deployment/docker.md) - 使用 Docker 部署 Bingo 项目