Update config.ts to include hwaccel options

src/config.ts

@@ -39,6 +39,11 @@ const config: Object = {
 	   connectionTimeout: '1000',
 	   insecureAuth: false,
 	   debug: false }, localconfig['database']),
+	hwaccel: Object.assign({
+		type: null,
+		device: null,
+		decode: false
+	}, localconfig['hwaccel']),
 	rtmp: Object.assign({
 	  cluster: false,
 	  port: 1935,