添加flv.js演示

docs/lab/js/flv.js

@@ -0,0 +1,16 @@
+var url = 'https://blog.zhw-island.com/assets-cdn';
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: url + '/video/one-more-time-one-more-chance-480p.flv',
+    type: 'flv',
+    customType: {
+        flv: function(video, url) {
+            const flvPlayer = flvjs.createPlayer({
+                type: 'flv',
+                url: url,
+            });
+            flvPlayer.attachMediaElement(video);
+            flvPlayer.load();
+        },
+    },
+});