Function initialize 

pub fn initialize<A: Allocate + 'static>(
    worker: &mut Worker<A>,
    config: &LoggingConfig,
    metrics_registry: MetricsRegistry,
    worker_config: Rc<ConfigSet>,
    workers_per_process: usize,
) -> LoggingTraces

Initialize logging dataflows.

Returns a logger for compute events, and for each LogVariant a trace bundle usable for retrieving logged records as well as the index of the exporting dataflow.