Merge pull request #4187 from nirga/marketplace

Added Kafka plugin to marketplace

microsite/data/plugins/kafka.yaml

@@ -0,0 +1,11 @@
+---
+title: Kafka
+author: '@nirga'
+authorUrl: https://github.com/nirga
+category: Monitoring
+description: Observability for Apache Kafka clusters and async API of components.
+documentation: https://github.com/backstage/backstage/tree/master/plugins/kafka
+iconUrl: https://kafka.apache.org/images/apache-kafka.png
+npmPackageName: '@backstage/plugin-kafka'
+tags:
+  - monitoring