[zh] Sync contribution guidelines (2)

This PR is about the changes to reference generation.

Author: tengqm

content/zh/docs/contribute/generate-ref-docs/_index.md

@@ -5,17 +5,22 @@ weight: 80
 ---
 
 <!--
----
 title: Reference docs overview
 main_menu: true
 weight: 80
----
 -->
 
 <!--
-Much of the Kubernetes reference documentation is generated from Kubernetes
-source code, using scripts. The topics in this section document how to generate
-this type of content.
+The topics in this section document how to generate the Kubernetes
+reference guides.
+
+To build the reference documentation, see the following guide:
+
+* [Generating Reference Documentation Quickstart](/docs/contribute/generate-ref-docs/quickstart/)
 -->
 
-许多 Kubernetes 参考文档都是使用脚本从 Kubernetes 源代码生成的。本节的主题是如何生成这种类型的文档。
+本节的主题是描述如何生成 Kubernetes 参考指南。
+要生成参考文档，请参考下面的指南：
+
+* [生成参考文档快速入门](/docs/contribute/generate-ref-docs/quickstart/)
+