DNS-collector with Kafka

Download the docker-compose file
Create the data folder.
Start the docker stack:
```
sudo docker compose up -d
```
Go to Apache Kafka interface through http://127.0.0.1:8080
The dnscollector topic should be available.
Finally, run DNScollector from source and generate some DNS logs from your DNS server with DNStap protocol.
```
go run . -config docs/_integration/kafka/config.yml
```