RND-558 Reading from Kafka Topics (#290)

* RND-558 Reading from Kafka Topics

Add sample code to read topics from Kafka using Kafkajs and rdkafka

* Update clients to read by batch or each message.

* Update Kafka docker compose to enable reading from typescript

* Update package-lock.json

* Update docker-compose.yml

* Update docker-compose.yml

* Update package.json

* Remove rdkafka package

* Add Kafkajs test

* Update kafkajsWorker.test.ts

Fix linting errors

* Update kafkajsWorker.test.ts

Remove console log

* Update jest.config.js

Update to ignore unit test from kafka folder.

Meadowlark-js/backends/meadowlark-kafka-stream/docker/docker-compose.yml

@@ -29,6 +29,8 @@ services:
       - zookeeper
     environment:
       - ZOOKEEPER_CONNECT=zookeeper:2181
+      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka1:9092
+
 
   connect:
     hostname: kafka-connect
@@ -41,7 +43,7 @@ services:
     links:
       - kafka
     environment:
-      - BOOTSTRAP_SERVERS=kafka:9092
+      - BOOTSTRAP_SERVERS=kafka1:9092
       - GROUP_ID=1
       - CONFIG_STORAGE_TOPIC=debezium_config
       - OFFSET_STORAGE_TOPIC=debezium_offset