fix(ruby): add ruby to .devrail.yml language options

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: matthew-on-git

.devrail.yml

@@ -6,6 +6,7 @@ languages:
   # - bash
   # - terraform
   # - ansible
+  # - ruby
 
 # fail_fast: false          # default: false (run-all-report-all)
 # log_format: json          # default: json | options: json, human