Function axum_acceptor 

pub fn axum_acceptor(
    home: PathBuf,
    domain: String,
    production_api: bool,
) -> (AxumAcceptor, impl Future<Output = Result<(), Error>>)

Use ACME to resolve certificates and handle new connections.

This returns a tuple containing an AxumAcceptor that may be used with axum_server, and a Future that represents the background task to poll and log for changes in the certificate environment.