Modify Kansas City Ruby meetup group details

Updated Kansas City Ruby group service and added ical_url and timezone.

Author: marcoroth

_data/meetup_groups.yml

@@ -291,9 +291,15 @@
   name: Karlsruhe.rb
   service: meetupdotcom
 
+- id: kcruby
+  name: Kansas City Ruby
+  service: meetupdotcom
+
 - id: kcruby
   name: Kansas City Ruby
   service: luma
+  ical_url: https://api2.luma.com/ics/get?entity=calendar&id=cal-hlguC5XZPDfQzqv
+  timezone: America/Chicago
 
 # - id: kharkiv-rb
 #   name: