code: func (p *Project) initialize(ctx context.Context) error {
  	if p.networks != nil {
  		if err := p.networks.Initialize(ctx); err != nil {
  			return err
  		}
  	}
  	if p.volumes != nil {
  		if err := p.volumes.Initialize(ctx); err != nil {
  			return err
  		}
  	}
  	return nil
  }
docs: // initialize sets up required element for project before any action (on project and service).
  // This means it's not needed to be called on Config for example.