添加字幕插件

packages/artplayer-plugin-subtitle/README.md

@@ -0,0 +1,51 @@
+# artplayer-plugin-subtitle
+
+Subtitle plugin for ArtPlayer
+
+## Install
+
+Install with `npm`
+
+```
+$ npm install artplayer-plugin-subtitle
+```
+
+Or install with `yarn`
+
+```
+$ yarn add artplayer-plugin-subtitle
+```
+
+```js
+import artplayerPluginSubtitle from 'artplayer-plugin-subtitle';
+```
+
+Or umd builds are also available
+
+```html
+<script src="path/to/artplayer-plugin-subtitle.js"></script>
+```
+
+Will expose the global variable to `window.artplayerPluginSubtitle`.
+
+## Usage
+
+```html
+<div class="artplayer-app"></div>
+```
+
+```js
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: 'path/to/video.mp4',
+    plugins: [
+        artplayerPluginSubtitle({
+            time: -1, // Subtitle delay time, ranging from -10 to 10
+        }),
+    ],
+});
+```
+
+## License
+
+MIT © [Harvey Zack](https://www.zhw-island.com/)