adding support for 'cc' and 'bcc'.

Author: Sachin Maheshwari

connect/service.js

@@ -16,6 +16,8 @@ const sendEmail = (templateId, message) => { // send email
   const substitutions = message.data ;
   const categories = message.categories ? message.categories: [];
   const to = message.recipients;
+  const cc =  message.cc ? message.cc : [];
+  const bcc = message.bcc ? message.bcc : [];
 
   return  sgMail.send({
     to,
@@ -25,6 +27,8 @@ const sendEmail = (templateId, message) => { // send email
     substitutionWrappers: ['{{', '}}'],
     replyTo,
     categories,
+    cc,
+    bcc,
   });
 }
 module.exports = {