docs(kafka): update README (#186)

Author: smoya

kafka/README.md

@@ -5,12 +5,9 @@ Package kafka provides a Consumer and a Producer for basic Kafka operations.
 It relies on https://github.com/confluentinc/confluent-kafka-go which is a Go wrapper on top of https://github.com/edenhill/librdkafka.
 This provides a reliable implementation, fully supported by the community, but also from Confluent, the creators of Kafka.
 
+### Note
+`CGO_ENABLED` must NOT be set to 0 since https://github.com/edenhill/librdkafka is a C library.
+
 ## Docs
 
 Please find the generated **godoc** documentation including some examples in [pkg.go.dev](https://pkg.go.dev/mod/github.com/netlify/netlify-commons?tab=packages).
-
-## TODO
-
-- Support standalone consumers and not only consumers members of a consumer group. 
-- Support seeking by timestamp (only offset is supported)
-- Integration tests