Trigger queue cleaner sequentially (#14)

* added option to run queue cleaner after content blocker

* updated readme to clearly state what the jobs do

code/Infrastructure/Verticals/Jobs/JobChainingListener.cs

@@ -0,0 +1,35 @@
+using Quartz;
+
+namespace Infrastructure.Verticals.Jobs;
+
+public class JobChainingListener : IJobListener
+{
+    private readonly string _nextJobName;
+
+    public JobChainingListener(string nextJobName)
+    {
+        _nextJobName = nextJobName;
+    }
+
+    public string Name => nameof(JobChainingListener);
+
+    public Task JobExecutionVetoed(IJobExecutionContext context, CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public Task JobToBeExecuted(IJobExecutionContext context, CancellationToken cancellationToken) => Task.CompletedTask;
+
+    public async Task JobWasExecuted(IJobExecutionContext context, JobExecutionException? jobException, CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrEmpty(_nextJobName))
+        {
+            return;
+        }
+        
+        IScheduler scheduler = context.Scheduler;
+        JobKey nextJobKey = new(_nextJobName);
+
+        if (await scheduler.CheckExists(nextJobKey, cancellationToken))
+        {
+            await scheduler.TriggerJob(nextJobKey, cancellationToken);
+        }
+    }
+}