Kafka transport

[theUniC]

Description of changes

A transport to send and receive messages from a Kafka broker.

Types of Changes

Mark the checkboxes for the changes you have made.

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

Mark the following checkboxes to ensure that your pull request can be merged.

• I have tested my changes locally
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if suitable)