docs(zh-CN): sync Chinese docs with latest upstream changes (#202)

* docs(zh-CN): sync Chinese docs with latest upstream changes

* docs: improve Chinese translation consistency in go-test.md

* docs(zh-CN): update image paths to use shared assets directory

- Update image references from ./assets/ to ../../assets/
- Remove zh-CN/assets directory to use shared assets

---------

Co-authored-by: neo <neo.dowithless@gmail.com>

docs/zh-CN/rules/golang/security.md

@@ -0,0 +1,28 @@
+# Go 安全
+
+> 此文件基于 [common/security.md](../common/security.md) 扩展了 Go 特定内容。
+
+## 密钥管理
+
+```go
+apiKey := os.Getenv("OPENAI_API_KEY")
+if apiKey == "" {
+    log.Fatal("OPENAI_API_KEY not configured")
+}
+```
+
+## 安全扫描
+
+* 使用 **gosec** 进行静态安全分析：
+  ```bash
+  gosec ./...
+  ```
+
+## 上下文与超时
+
+始终使用 `context.Context` 进行超时控制：
+
+```go
+ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+defer cancel()
+```