feat: add liquid-glass plugin for ArtPlayer with documentation and styles

docs/assets/example/liquid.glass.js

@@ -0,0 +1,28 @@
+// npm i artplayer-plugin-liquid-glass
+// import artplayerPluginLiquidGlass from 'artplayer-plugin-liquid-glass';
+
+let art = new Artplayer({
+  container: '.artplayer-app',
+  url: '/assets/sample/video.mp4',
+  autoSize: true,
+  pip: true,
+  setting: true,
+  fullscreen: true,
+  fullscreenWeb: true,
+  miniProgressBar: true,
+  autoPlayback: true,
+  flip: true,
+  playbackRate: true,
+  aspectRatio: true,
+  thumbnails: {
+    url: '/assets/sample/thumbnails.png',
+    number: 60,
+    column: 10,
+    scale: 0.85,
+  },
+  plugins: [
+    artplayerPluginLiquidGlass({
+      //
+    }),
+  ],
+})