#[derive(Subcommand, Debug)]

    Create { username: String },

    Delete { username: String },

    pub async fn execute<SC: StorageConnection>(self, server: SC) -> anyhow::Result<()> {

        match self {

            Command::User(user) => match user {

                UserCommand::Create { username } => {

                    server.create_user(&username).await?;

                    println!("User {} created", username);

                    Ok(())

                    todo!()

    }