feat(GdPictureOptions): Created to configure parameters related to GdPicture.

- Configure the GdPicture license key via a third-party module entity.

EnvelopeGenerator.Finalizer/Program.cs

@@ -1,7 +1,11 @@
+using EnvelopeGenerator.Application.ThirdPartyModules.Queries;
 using EnvelopeGenerator.DependencyInjection;
 using EnvelopeGenerator.Finalizer;
+using EnvelopeGenerator.Finalizer.Models;
 using EnvelopeGenerator.Infrastructure;
+using MediatR;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
 using Serilog;
 
 // Load Serilog from appsettings.json
@@ -61,7 +65,20 @@ try
     );
     #endregion  Add DB Context, EG Inf. and Services
 
+    builder.Services.AddOptions<GdPictureOptions>()
+        .Configure((GdPictureOptions opt, IServiceProvider sp) =>
+        {
+            var licenseKey = "GDPICTURE";
+            using var scope = sp.CreateScope();
+            var mediator = scope.ServiceProvider.GetRequiredService<IMediator>();
+            opt.License = mediator.ReadThirdPartyModuleLicenseAsync(licenseKey).GetAwaiter().GetResult()
+            ?? throw new InvalidOperationException($"License record not found for key: {licenseKey}");
+        });
+
     var host = builder.Build();
+
+    var licence = host.Services.GetRequiredService<IOptions<GdPictureOptions>>().Value;
+
     host.Run();
 
     Log.Information("The worker was stopped.");