[CORE] Fixed error handling in main function

Author: Dario Segura

src/index.js

@@ -7,9 +7,9 @@ async function main() {
  frontend.toString();
 }
 
-document.addEventListener('DOMContentLoaded', async () => {
+document.addEventListener('DOMContentLoaded', () => {
  console.log(webRTCAdapter); // eslint-disable-line
- await main().catch(reason => {
+ main().catch(reason => {
  console.error('[JUKEBOX] Unhandled ERROR: %o', reason); // eslint-disable-line
  return null;
  });