initial commit from appmail

app/jobs/prune_webhook_requests_job.rb

@@ -0,0 +1,8 @@
+class PruneWebhookRequestsJob < Postal::Job
+  def perform
+    Server.all.each do |s|
+      log "Pruning webhook requests for server #{s.id}"
+      s.message_db.webhooks.prune
+    end
+  end
+end