添加hls.js演示

docs/lab/js/hls.js

@@ -0,0 +1,11 @@
+var art = new Artplayer({
+    container: '.artplayer-app',
+    url: 'https://video-dev.github.io/streams/x36xhzz/x36xhzz.m3u8',
+    customType: {
+        m3u8: function(video, url) {
+            var hls = new Hls();
+            hls.loadSource(url);
+            hls.attachMedia(video);
+        },
+    },
+});