Merge pull request #22185 from ydcool/zh-trans-glossary-add-ons

add zh trans for docs/reference/glossary/addons.md

content/zh/docs/reference/glossary/addons.md

@@ -0,0 +1,37 @@
+---
+title: 附加组件
+id: addons
+date: 2019-12-15
+full_link: /docs/concepts/cluster-administration/addons/
+short_description: >
+  扩展 Kubernetes 功能的资源。
+
+aka:
+tags:
+- tool
+---
+  扩展 Kubernetes 功能的资源。
+
+<!--
+---
+title: Add-ons
+id: addons
+date: 2019-12-15
+full_link: /docs/concepts/cluster-administration/addons/
+short_description: >
+  Resources that extend the functionality of Kubernetes.
+
+aka:
+tags:
+- tool
+---
+  Resources that extend the functionality of Kubernetes.
+-->
+
+
+<!--more-->
+
+<!-- 
+[Installing addons](/docs/concepts/cluster-administration/addons/) explains more about using add-ons with your cluster, and lists some popular add-ons. 
+-->
+[安装附加组件](/docs/concepts/cluster-administration/addons/) 阐释了更多关于如何在集群内使用附加组件，并列出了一些流行的附加组件。