Fix broken links in documents v1.19 (go-gitea#25142)

Partially port go-gitea#24630

Author: HesterG

docs/content/doc/development/hacking-on-gitea.zh-cn.md

@@ -166,7 +166,7 @@ make lint-backend
 
 ### 处理 JS 和 CSS
 
-前端开发应遵循 [Guidelines for Frontend Development]({{ < 相关参考 "doc/development/guidelines-frontend.en-us.md" > }})
+前端开发应遵循 [Guidelines for Frontend Development]({{< relref "doc/contributing/guidelines-frontend.zh-cn.md" >}})。
 
 要使用前端资源构建，请使用上面提到的“watch-frontend”目标或只构建一次：