Add Bluegrass Ruby Monthly Meetups (ruby-conferences#623)

* add Bluegrass Ruby

* Update meetups.yml

---------

Co-authored-by: Marco Roth <marco.roth@intergga.ch>

Author: whatnotery

_data/meetups.yml

@@ -620,3 +620,59 @@
   start_time: 17:30:00 EEST
   end_time: 20:30:00 EEST
   url: https://rubybrigade.fi/event/2024/summer-kick-off/
+
+- name: Bluegrass Ruby - May
+  location: Lexington, KY
+  date: 2024-05-21
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - June
+  location: Lexington, KY
+  date: 2024-06-04
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - July
+  location: Lexington, KY
+  date: 2024-07-02
+  start_time: 18:00:00 EDT
+  end_time: 20:30:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - August
+  location: Lexington, KY
+  date: 2024-08-06
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - September
+  location: Lexington, KY
+  date: 2024-09-03
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - October
+  location: Lexington, KY
+  date: 2024-10-01
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - November
+  location: Lexington, KY
+  date: 2024-11-05
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/
+
+- name: Bluegrass Ruby - December
+  location: Lexington, KY
+  date: 2024-12-03
+  start_time: 18:00:00 EDT
+  end_time: 20:00:00 EDT
+  url: https://bluegrassruby.club/