add artplayerPluginBacklight

docs/backlight/js/common.js

@@ -0,0 +1,13 @@
+'use strict';
+
+(function() {
+    var art = new Artplayer({
+        container: '.artplayer',
+        url: 'https://zhw2590582.github.io/assets-cdn/video/one-more-time-one-more-chance-480p.mp4',
+        autoSize: true,
+        moreVideoAttr: {
+            crossOrigin: 'anonymous'
+        },
+        plugins: [artplayerPluginBacklight]
+    });
+})();