Added Apache Kafka installation.
Added Apache Kafka installation.

tmarrs/json-at-work-examples,tmarrs/json-at-work-examples,tmarrs/json-at-work-examples,tmarrs/json-at-work,tmarrs/json-at-work,tmarrs/json-at-work,tmarrs/json-at-work-examples,tmarrs/json-at-work,tmarrs/json-at-work-examples