add all language features to playground

Author: 1cg

www/playground.html

@@ -432,7 +432,7 @@ <h2>Playground</h2>
 // ============================================================
 // Preview
 // ============================================================
-var scriptPath = '/js/_hyperscript.min.js';
+var scriptPath = '/js/_hyperscript-max.min.js';
 var lastErrors = [];
 
 function run() {