pub fn spawn(self, handle: &tokio::runtime::Handle) -> NamedFuture<JoinHandle<F::Output>> {
        NamedFuture {
            name: self.name,
            inner: handle.spawn(self.inner),
        }
    }
Spawns the wrapped future on the provided runtime handle.
Returns a named wrapper over the join handle.
core/lib/node_framework/src/service/named_future.rs