Queries on Topic Operator and Kafka Resource

Issue

While installing Topic Operator, there is a prerequisiste defined "A Kafka resource to be created or updated", but it has not been specified clearly how we should create or configure Kafka resource.

2.6.2. Deploying the Topic Operator using the Cluster Operator
Prerequisites

- A running Cluster Operator
- A Kafka resource to be created or updated

We have come across few questions while installing TopicOperator,
• One of the prerequisite is “A Kafka resource”, but how to create or configure Kafka resource is not clear in the guide.