Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/jobs/application_job.rb

@@ -0,0 +1,8 @@
+class ApplicationJob < ActiveJob::Base
+  # https://api.rubyonrails.org/v5.2.1/classes/ActiveJob/Exceptions/ClassMethods.html
+  discard_on ActiveJob::DeserializationError do |job, error|
+    Rails.logger.info("Skipping #{job.class} with #{
+      job.instance_variable_get(:@serialized_arguments)
+    } because of ActiveJob::DeserializationError (#{error.message})")
+  end
+end