add autoOrientation state

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

@@ -1074,4 +1074,21 @@ var art = new Artplayer({
     autoplay: true,
     autoPlayback: true,
 });
+```
+
+## autoOrientation
+
+-   Type: `Boolean`
+-   Default: `false`
+
+Whether to rotate the player according to the video size and viewport size, when the player web-fullscreen in mobile
+
+<div className="run-code">▶ Run Code</div>
+
+```js
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: '/assets/sample/video.mp4',
+    autoOrientation: true,
+});
 ```

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

@@ -1076,3 +1076,20 @@ var art = new Artplayer({
     autoPlayback: true,
 });
 ```
+
+## autoOrientation
+
+-   类型: `Boolean`
+-   默认: `false`
+
+是否在移动端的网页全屏时，根据视频尺寸和视口尺寸，旋转播放器
+
+<div className="run-code">▶ Run Code</div>
+
+```js
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: '/assets/sample/video.mp4',
+    autoOrientation: true,
+});
+```