Function add

pub async fn add(
    beta_encryption_key: Option<String>,
    env_variables: Option<Vec<(String, String)>>,
    log_dir_path: Option<PathBuf>,
    peers_args: PeersArgs,
    src_path: Option<PathBuf>,
    url: Option<String>,
    version: Option<String>,
    verbosity: VerbosityLevel,
) -> Result<()>