Enable job queue

Resolve #3216

src/index.ts

@@ -100,6 +100,9 @@ async function workerMain() {
 	// start server
 	await require('./server').default();
 
+	// start processor
+	require('./queue').default();
+
 	if (cluster.isWorker) {
 		// Send a 'ready' message to parent process
 		process.send('ready');