code review fixes

Author: Mirazyzz

CheckDrive.Api/CheckDrive.Application/BackgroundJobs/CarMonthlyMileageResetService.cs

@@ -11,7 +11,7 @@ internal sealed class CarMonthlyMileageResetService : BackgroundService
 
     public CarMonthlyMileageResetService(IServiceProvider serviceProvider)
     {
-        _serviceProvider = serviceProvider;
+        _serviceProvider = serviceProvider ?? throw new ArgumentNullException(nameof(serviceProvider));
     }
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)

CheckDrive.Api/CheckDrive.Application/DTOs/OilMark/OilMarkDto.cs

@@ -1,4 +1,5 @@
 namespace CheckDrive.Application.DTOs.OilMark;
+
 public sealed record OilMarkDto(
     int Id,
     string Name);