Get more data from Meetup API

I needed at least a name, but after checking the Meetup API I've added other data that I think might be useful.
https://www.meetup.com/meetup_api/docs/2/members/

packages/meetup-oauth/meetup_server.js

@@ -10,6 +10,12 @@ OAuth.registerService('meetup', 2, null, query => {
   return {
     serviceData: {
       id: identity.id,
+      name: identity.name,
+      lang: identity.lang,
+      link: identity.link,
+      photo: identity.photo,
+      country: identity.country,
+      city: identity.city,
       accessToken,
       expiresAt,
     },