Pause button fix, polyfilled build, unminified builds

src/js/plyr.polyfilled.js

@@ -0,0 +1,14 @@
+// ==========================================================================
+// Plyr Polyfilled Build
+// plyr.js v3.0.0-beta.14
+// https://github.com/sampotts/plyr
+// License: The MIT License (MIT)
+// ==========================================================================
+
+import 'babel-polyfill';
+
+import 'custom-event-polyfill';
+
+import Plyr from './plyr';
+
+export default Plyr;