delay file cleaner

Tsi1.Api/Tsi1.BusinessLayer/HostedServices/FileCleaner.cs

@@ -20,7 +20,7 @@ namespace Tsi1.BusinessLayer.HostedServices
 
         public Task StartAsync(CancellationToken cancellationToken)
         {
-            _timer = new Timer(DoWork, null, TimeSpan.Zero, TimeSpan.FromDays(1));
+            _timer = new Timer(DoWork, null, TimeSpan.FromMilliseconds(1), TimeSpan.FromDays(1));
             return Task.CompletedTask;
         }