Add missing trailing semicolon

resources/js/bootstrap.js

@@ -43,7 +43,7 @@ if (token) {
  * allows your team to easily build robust real-time web applications.
  */
 
-// import Echo from 'laravel-echo'
+// import Echo from 'laravel-echo';
 
 // window.Pusher = require('pusher-js');