added audioplayer contrib module

libraries/wavesurfer/example/cursor/main.js

@@ -0,0 +1,25 @@
+'use strict';
+
+// Create an instance
+var wavesurfer = {};
+
+// Init & load audio file
+document.addEventListener('DOMContentLoaded', function () {
+
+    wavesurfer = WaveSurfer.create({
+        container: document.querySelector('#waveform'),
+        plugins: [
+            WaveSurfer.cursor.create()
+        ]
+    });
+
+
+    // Load audio from URL
+    wavesurfer.load('../media/demo.wav');
+
+
+    // Play button
+    var button = document.querySelector('[data-action="play"]');
+
+    button.addEventListener('click', wavesurfer.playPause.bind(wavesurfer));
+});