add WorkerOptions.

- bind IntervalInMin with worker task delay

EnvelopeGenerator.Finalizer/Worker.cs

@@ -1,12 +1,18 @@
+using EnvelopeGenerator.Finalizer.Models;
+using Microsoft.Extensions.Options;
+
 namespace EnvelopeGenerator.Finalizer
 {
     public class Worker : BackgroundService
     {
         private readonly ILogger<Worker> _logger;
 
-        public Worker(ILogger<Worker> logger)
+        private readonly WorkerOptions _options;
+
+        public Worker(ILogger<Worker> logger, IOptions<WorkerOptions> workerOptions)
         {
             _logger = logger;
+            _options = workerOptions.Value;
         }
 
         protected override async Task ExecuteAsync(CancellationToken stoppingToken)
@@ -17,7 +23,7 @@ namespace EnvelopeGenerator.Finalizer
                 {
                     _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
                 }
-                await Task.Delay(1000, stoppingToken);
+                await Task.Delay(_options.IntervalInMillisecond, stoppingToken);
             }
         }
     }