initial application.yml for test

application.yml

application:
  dynamo:
    customer-table-name: "demo-customer-info"
    region: "ap-southeast-2"
    endpoint: "http://localhost:8042"
  kafka:
    broker: "localhost:9092"
    serializer: io.confluent.kafka.serializers.KafkaAvroSerializer
    deserializer: io.confluent.kafka.serializers.KafkaAvroDeserializer
    schema-registry-url: "http://localhost:8081"
    create-user-request-topic: "create-user-request"
    user-created-event-topic: "user-created-event"