EnvelopeGenerator/EnvelopeGenerator.DependencyInjection/DependencyInjection.cs

using Microsoft.Extensions.DependencyInjection;

namespace EnvelopeGenerator.DependencyInjection;

public static class DependencyInjection
{
    public static IServiceCollection AddEnvelopeGenerator(this IServiceCollection services)
    {
        return services;
    }
}