feat: NLog hinzugefügt und konfiguriert

src/DigitalData.Auth.API/Program.cs

@@ -11,6 +11,11 @@ using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.JsonWebTokens;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
+using NLog;
+using NLog.Web;
+
+var logger = LogManager.Setup().LoadConfigurationFromAppSettings().GetCurrentClassLogger();
+logger.Info("Logging initialized.");
 
 var builder = WebApplication.CreateBuilder(args);