add airplay

packages/artplayer-document/docs/en/Options.mdx

@@ -1123,3 +1123,20 @@ var art = new Artplayer({
     autoOrientation: true,
 });
 ```
+
+## airplay
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Whether to display the AirPlay button, only available in Safari currently
+
+<div className="run-code">▶ Run Code</div>
+
+```js
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: '/assets/sample/video.mp4',
+    airplay: true,
+});
+```

packages/artplayer-document/docs/zh-cn/Options.mdx

@@ -1120,4 +1120,21 @@ var art = new Artplayer({
     url: '/assets/sample/video.mp4',
     autoOrientation: true,
 });
+```
+
+## airplay
+
+-   Type: `Boolean`
+-   Default: `false`
+
+是否显示 airplay 按钮，当前只在 Safari 下可用
+
+<div className="run-code">▶ Run Code</div>
+
+```js
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: '/assets/sample/video.mp4',
+    airplay: true,
+});
 ```