Function interledger_btp::connect_to_service_account

pub fn connect_to_service_account<O, A>(
    account: A, 
    error_on_unavailable: bool, 
    service: BtpOutgoingService<O, A>
) -> impl Future<Item = (), Error = ()> where
    O: OutgoingService<A> + Clone + 'static,
    A: BtpAccount + 'static,