zh-trans: add some _index.md files (#11716)

* zh-trans: add some _index.md files

* update docs/tutorials/kubernetes-basics/scale/_index.md

content/zh/docs/tasks/service-catalog/_index.md

@@ -0,0 +1,11 @@
+---
+title: "安装服务目录"
+weight: 150
+---
+
+<!--
+---
+title: "Install Service Catalog"
+weight: 150
+---
+-->

content/zh/docs/tutorials/kubernetes-basics/scale/_index.md

@@ -0,0 +1,11 @@
+---
+title: 伸缩您的应用
+weight: 50
+---
+
+<!--
+---
+title: Scale Your App
+weight: 50
+---
+-->

content/zh/docs/tutorials/online-training/_index.md

@@ -0,0 +1,11 @@
+---
+title: "在线培训课程"
+weight: 20
+---
+
+<!--
+---
+title: "Online Training Courses"
+weight: 20
+---
+-->

content/zh/docs/tutorials/stateless-application/_index.md

@@ -0,0 +1,11 @@
+---
+title: "无状态应用程序"
+weight: 40
+---
+
+<!--
+---
+title: "Stateless Applications"
+weight: 40
+---
+-->