net/akhq: Web GUI for Apache Kafka

Kafka GUI for Apache Kafka to manage topics, topics data,
consumers group, schema registry, connect and more...

PR: 274149
Sponsored by: Klara, Inc.
Approved by: 0mp (mentor, implicit)
Co-authored-by: kiwi
Co-authored-by: lwhsu
Differential Revision: https://reviews.freebsd.org/D48882