modfiy t113x docs

Author: codebug8

docs/T113x/intro.mdx

@@ -0,0 +1,7 @@
+---
+sidebar_position: 1
+---
+
+# T113x系列单板
+
+

src/pages/index.js

@@ -2,5 +2,5 @@ import React from 'react';
 import  { Redirect } from 'react-router-dom';
 
 export default function Home() {
-  return <Redirect to='docs/T113x/s3-Pro/BoardIntroduction' />;
+  return <Redirect to='docs/T113x/intro' />;
 }