incStatsByNewEvent method
increment stats by new event
Implementation
void incStatsByNewEvent(Nip01Event event, int bytes) {
int eventsRead = this.eventsRead[event.kind] ?? 0;
this.eventsRead[event.kind] = eventsRead + 1;
int bytesRead = this.dataReadBytes[event.kind] ?? 0;
this.dataReadBytes[event.kind] = bytesRead + bytes;
}