Restore meetup for Krakow Ruby Users Group

Author: lcmen

_data/meetup_groups.yml

@@ -300,6 +300,10 @@
 #   service: meetupdotcom
 
 - id: krakow-ruby-users-group
+  name: Krakow Ruby Users Group (KRUG)
+  service: meetupdotcom
+
+- id: krakow-ruby-users-group-2
   name: Krakow Ruby Users Group (KRUG)
   service: luma
   ical_url: https://api2.luma.com/ics/get?entity=calendar&id=cal-EyyObsvyunM3PQP