add playground

Author: Legokichi Duckscallion

test.html

@@ -0,0 +1 @@
+<a href="(function(d,u,x,c,a){function a(a,b,c){c=d.createElement("script");c.src=a;c.onload=b;d.body.appendChild(c)}a(u,function(){a(c,function(){x=new CoffeeScriptREPL();while(c=prompt(x.log+"\n"+x.buffer,x.defaultInput))x.terminal(c)})})}(document,"https://coffeescript-repl.github.io/coffee-script.js",null,"https://coffeescript-repl.github.io/coffee-repl.js"));">bookmarklet</a>