docs(examples): add job retention options

Author: RomainLanz

examples/jobs/metrics_job.ts

@@ -19,6 +19,8 @@ interface MetricsJobPayload {
 export default class MetricsJob extends Job<MetricsJobPayload> {
   static options: JobOptions = {
     queue: 'metrics',
+    removeOnComplete: true,
+    removeOnFail: { count: 100 },
   }
 
   async execute(): Promise<void> {

examples/jobs/send_email_job.ts

@@ -8,6 +8,8 @@ interface SendEmailPayload {
 export default class SendEmailJob extends Job<SendEmailPayload> {
   static options: JobOptions = {
     queue: 'email',
+    removeOnComplete: { age: '7d', count: 1000 },
+    removeOnFail: { age: '30d' },
   }
 
   async execute(): Promise<void> {

examples/jobs/sync_job.ts

@@ -9,6 +9,8 @@ interface SyncJobPayload {
 export default class SyncJob extends Job<SyncJobPayload> {
   static options: JobOptions = {
     adapter: 'sync',
+    removeOnComplete: false,
+    removeOnFail: false,
   }
 
   async execute(): Promise<void> {