Add Migrations

Add RemoveOldNotificationsWorker.cs

API/Workers/PeriodicWorkers/MaintenanceWorkers/RemoveOldNotificationsWorker.cs

@@ -0,0 +1,19 @@
+using API.Schema.NotificationsContext;
+
+namespace API.Workers.MaintenanceWorkers;
+
+public class RemoveOldNotificationsWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
+    : BaseWorkerWithContext<NotificationsContext>(dependsOn), IPeriodic
+{
+    public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
+    public TimeSpan Interval { get; set; } = interval ??  TimeSpan.FromHours(1);
+    
+    protected override BaseWorker[] DoWorkInternal()
+    {
+        IQueryable<Notification> toRemove = DbContext.Notifications.Where(n => n.IsSent || DateTime.UtcNow - n.Date > Interval);
+        DbContext.Remove(toRemove);
+        DbContext.Sync();
+        return [];
+    }
+
+}