chore: Move Facebook event processing to worker (#2988)

app/jobs/webhooks/facebook_events_job.rb

@@ -0,0 +1,8 @@
+class Webhooks::FacebookEventsJob < ApplicationJob
+  queue_as :default
+
+  def perform(message)
+    response = ::Integrations::Facebook::MessageParser.new(message)
+    ::Integrations::Facebook::MessageCreator.new(response).perform
+  end
+end