Logging - file appender as module `context.logger.ndjson`


```clj

(system/start 
   {:services ["context.logger.ndjson", "context.logger.otel", "context.logger.elastic" ], 
    :context.logger.ndjson {:output "/tmp/logs.ndjson", :targz true}
    :context.logger.otel { }
    :context.logger.elastic {:elasticUrl ".....}
    })

```
                         