feat(gen-ai-pipeline): 添加 GitHub Action 和 Dockerfile 示例

为 `gen-ai-pipeline` 章节添加了 GitHub Action 和 Dockerfile 的示例代码，以展示如何为 AI 辅助软件工程创建自动化构建和测试流程。这些示例有助于读者更好地理解如何将 AI IDE 插件与持续集成服务结合使用。

src/gen-ai-pipeline.md

@@ -9,3 +9,24 @@
 
 ### prompt 示例：AutoDev
 
+GitHub Action 生成
+
+```Velocity
+Create build.yml YAML file for GitHub Action for build project and runs tests
+
+- ${context.buildContext}
+- OS: latest ubuntu version
+```
+
+Dockerfile 示例：
+
+```Velocity
+Please write a Dockerfile with minimal steps.
+
+${context.buildContext}
+- I need the building to be done in separate base image than running the build
+- I need the application port to be 3000
+
+Output only the Dockerfile content without any explanation.
+```
+