New port: net/py-confluent-kafka

Confluent-kafka-python is a lightweight wrapper around librdkafka,
a finely tuned C client. The Python bindings provides a high-level
Producer and Consumer with support for the balanced consumer groups
of Apache Kafka.

WWW: https://github.com/confluentinc/confluent-kafka-python

PR: 233403
Submitted by: sergey@akhmatov.ru
Reviewed by: koobs