public MainDbContext CreateDbContext(string[] args)
        {
            var configuration = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json").Build();

            var builder = new DbContextOptionsBuilder <MainDbContext>();

            builder.ConfigureDatabase(
                configuration["Data:MainDbContext:ConnectionString"],
                configuration["Data:MainDbContext:MigrationsAssembly"]);

            return(new MainDbContext(builder.Options));
        }