QUARKUS-1266 Support Kafka AVRO

JIRA link: https://issues.redhat.com/browse/QUARKUS-1266
Quarkus Guide: https://quarkus.io/guides/kafka-schema-registry-avro
Apache Kafka AVRO Reference: http://avro.apache.org/docs/current/

Scope of the testing

Extension must generate Java "whistles" or objects that represents the AVRO schemas in Java language
Extension must be able to serialize and deserialize AVRO events from/to Kafka
AVRO Schemas should be registered and versioned in an schema registry
Must work over Kafka Strimzi and Confluent
Consume and produce events in JVM and native mode

Getting familiar with the feature

Focus on exploratory testing of the feature
Experiment with quickstart guide
- https://github.com/quarkusio/quarkus-quickstarts/tree/main/kafka-avro-schema-quickstart

Automated test development

New test to be added into Quarkus QE tests suite to cover scenario with quarkus-avro extension