Updates to use template strings

Author: philnash

forward-message/forward-message.js

@@ -1,6 +1,6 @@
 exports.handler = function(context, event, callback) {
   let twiml = new Twilio.twiml.MessagingResponse();
-  twiml.message('From: ' + event.From + '. Body: ' + event.Body, {
+  twiml.message(`From: ${event.From}. Body: ${event.Body}`, {
     to: context.MY_PHONE_NUMBER
   });
   callback(null, twiml);