public static IServiceProvider ConfigureServices()
{
//setup our DI
var serviceProvider = new ServiceCollection()
.AddLogging()
.AddDbContext <DataContext>(options => options.UseSqlite(SqliteConnection))
.AddScoped(typeof(IRepository <>), typeof(RepositoryImpl <>))
.AddScoped(typeof(IRepository <,>), typeof(RepositoryImpl <,>))
.BuildServiceProvider();
// database
var context = serviceProvider.GetService <DataContext>();
SqliteUtils.CreateDatabaseIfNotExists(context, DATABASE_NAME);
return(serviceProvider);
}