add WorkerOptions.

- bind IntervalInMin with worker task delay

EnvelopeGenerator.Finalizer/Program.cs

@@ -34,7 +34,10 @@ try
         .ToList()
         .ForEach(file => config.AddJsonFile(file, true, true));
 
+    #region Worker
     builder.Services.AddHostedService<Worker>();
+    builder.Services.Configure<WorkerOptions>(config.GetSection("Worker"));
+    #endregion
 
     #region Add DB Context, EG Inf. and Services
     var cnnStrName = "Default";