move to sub dir

docs/iotsharp/content/_index.en.md

@@ -3,7 +3,7 @@ title: "IotSharp"
 ---
 
 
- 
+
 
 # IotSharp
 
@@ -16,4 +16,5 @@ If you like the desktop version of the interface, you can join the  <https://git
 
 {{% /notice %}}
 
- 
\ No newline at end of file
+ 
+

docs/iotsharp/content/api/_index.en.md

 ---
 title: Api
 weight: 5
-pre: "<b>1. </b>"
+pre: "<b>3. </b>"
 chapter: true
 ---
 

docs/iotsharp/content/api/_index.zh-cn.md

 ---
 title: Api
 weight: 5
-pre: "<b>1. </b>"
+pre: "<b>3. </b>"
 chapter: true
 ---