func Register(f func() *cobra.Command) {
	importers = append(importers, f)
}
Register registers an importer constructor.
package importer
import (
	"github.com/spf13/cobra"
)
func CreateCmd() *cobra.Command {
	var cmd = cobra.Command{
		Use:   "import",
		Short: "Import financial account statements",
	}
	for _, constructor := range importers {
		cmd.AddCommand(constructor())
	}
	return &cmd
}
var importers []func() *cobra.Command