docs(card): correct doc (#2504)

Author: Miles-hxy

src/packages/card/doc.taro.md

@@ -54,7 +54,7 @@ import { Card, Price, Tag } from '@nutui/nutui-react-taro'
 
 :::demo
 
-<CodeBlock src='h5/demo6.tsx'></CodeBlock>
+<CodeBlock src='taro/demo6.tsx'></CodeBlock>
 
 :::