Add Ruby Europe Meetup Luma Group

Author: marcoroth

_data/meetup_groups.yml

@@ -833,6 +833,12 @@
   ical_url: https://rubydf.com/events.ics
   service: ical
 
+- id: rubyeurope
+  name: Ruby Europe
+  service: luma
+  ical_url: https://api.lu.ma/ics/get?entity=calendar&id=cal-e1hbsrfKzZEFCi5
+  timezone: Europe/Berlin
+
 - id: rubyfloripa
   name: RubyFloripa
   service: meetupdotcom