Editor: add setValue DEFAULT and autorun

Author: pepc84

editor/index.html

@@ -172,6 +172,10 @@
     'Backspace': cm => cm.execCommand('delCharBefore'),
   },
 });
+editor.setValue(DEFAULT);
+editor.setSize('100%', '100%');
+window.addEventListener('load', () => { setTimeout(runSketch, 500); });
+