docs: update react-window.mdx

docs/react-window.mdx

@@ -5,3 +5,26 @@ sidebar_label: react-window
 ---
 
 ## [react-window](https://github.com/bvaughn/react-window)
+
+### 安装
+
+`npm i react-window`
+
+`npm i -D @types/react-window`
+
+### 使用
+
+```jsx
+import React from 'react'
+import Taro from '@tarojs/taro'
+import { View } from '@tarojs/components'
+import { FixedSizeList } from 'react-window'
+
+const { windowWidth, windowHeight } = Taro.getSystemInfoSync()
+
+const Example = () => (
+    <FixedSizeList width={windowWidth} height={windowHeight} itemCount={1000} itemSize={35}>
+        {({ index, style }) => <View style={style}>Row {index}</View>}
+    </FixedSizeList>
+)
+```