Sonar improvments

Author: EduardoPires

src/Samples/AspNetCore.Jwt.Sample/Config/SwaggerConfig.cs

@@ -15,8 +15,8 @@ public static void AddSwaggerConfiguration(this IServiceCollection services)
                 {
                     Title = "NetDevPack Identity Sample API",
                     Description = "Developed by Eduardo Pires - Owner @ desenvolvedor.io",
-                    Contact = new OpenApiContact() { Name = "Eduardo Pires", Email = "contato@eduardopires.net.br" },
-                    License = new OpenApiLicense() { Name = "MIT", Url = new Uri("https://opensource.org/licenses/MIT") }
+                    Contact = new OpenApiContact { Name = "Eduardo Pires", Email = "contato@eduardopires.net.br" },
+                    License = new OpenApiLicense { Name = "MIT", Url = new Uri("https://opensource.org/licenses/MIT") }
                 });
 
                 c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme

src/Samples/AspNetCore.Jwt.Sample/Controllers/MainController.cs

@@ -9,7 +9,7 @@ namespace AspNetCore.Jwt.Sample.Controllers
     [ApiController]
     public abstract class MainController : ControllerBase
     {
-        public ICollection<string> Errors = new List<string>();
+        private readonly ICollection<string> Errors = new List<string>();
 
         protected ActionResult CustomResponse(object result = null)
         {