Add mailing plugin with templates, outbox, and job processing

src/jobs/index.ts

@@ -0,0 +1,20 @@
+import { Job } from 'payload/jobs'
+import { processOutboxJob, ProcessOutboxJobData } from './processOutboxJob'
+import { MailingService } from '../services/MailingService'
+
+export const createMailingJobs = (mailingService: MailingService): Job[] => {
+  return [
+    {
+      slug: 'processOutbox',
+      handler: async ({ job, req }) => {
+        return processOutboxJob(
+          job as { data: ProcessOutboxJobData },
+          { req, mailingService }
+        )
+      },
+      interfaceName: 'ProcessOutboxJob',
+    },
+  ]
+}
+
+export * from './processOutboxJob'