Initial endpoint configuration with authentication

src/WebApi/Cars/Car.cs

@@ -0,0 +1,10 @@
+namespace Vegasco.WebApi.Cars;
+
+public class Car
+{
+	public Guid Id { get; set; } = Guid.NewGuid();
+
+	public string Name { get; set; } = "";
+
+	public Guid UserId { get; set; }
+}

src/WebApi/Cars/CreateCar.cs

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+using FluentValidation;
+using FluentValidation.Results;
+using Vegasco.WebApi.Common;
+
+namespace Vegasco.WebApi.Cars;
+
+public static class CreateCar
+{
+	public record Request(string Name);
+	public record Response(Guid Id, string Name);
+
+	public static RouteHandlerBuilder MapEndpoint(IEndpointRouteBuilder builder)
+	{
+		return builder
+			.MapPost("cars", Handler)
+			.WithTags("Cars");
+	}
+
+	public class Validator : AbstractValidator<Request>
+	{
+		public Validator()
+		{
+			RuleFor(x => x.Name)
+				.NotEmpty();
+		}
+	}
+
+	public static async Task<IResult> Handler(Request request, IEnumerable<IValidator<Request>> validators)
+	{
+		List<ValidationResult> failedValidations = await validators.ValidateAllAsync(request);
+		if (failedValidations.Count > 0)
+		{
+			return Results.BadRequest(new HttpValidationProblemDetails(failedValidations.ToCombinedDictionary()));
+		}
+
+		return Results.Ok();
+	}
+}