message: Add commander flag for wait
diff: @@ -22,6 +22,7 @@ commander
  .option("-c, --consumer [consumer]", "Fetch messages")
  .option("-s, --startOffset [startOffset]", "Start consumer at this offset", parseFloat, 1)
  .option("-l, --latency [latency]", "Measure Latency")
  + .option("-w, --wait [wait]", "Wait between messages", parseFloat, 20)
  .parse(process.argv);
  console.log("Version: " + commander.implementation +
  @@ -180,7 +181,7 @@ async function kafkaBlizzardLatencyTest(startOffset: number, messages: number) {
  producer.on("ready", (arg) => {
  -
  + let wait = commander.wait as number;
  productionInterval = setInterval(() => {
  producer.produce(
  topic,
  @@ -191,7 +192,7 @@ async function kafkaBlizzardLatencyTest(startOffset: number, messages: number) {
  if (messagesSent === messages) {
  clearInterval(productionInterval);
  }
  - }, 10);
  + }, wait);
  });
  consumer.on("ready", (arg) => {
  