Jamie White

While looking at the [stream reactor code](https://github.com/lensesio/stream-reactor/blob/6.3.0/kafka-connect-cloud-common/src/main/scala/io/lenses/streamreactor/connect/cloud/common/config/DataStorageSettings.scala#L49-L53), I noticed there's an issue with the [Properties documentation](https://docs.lenses.io/5.4/connectors/sinks/s3sinkconnector/#properties). `store.envelope.key`, `store.envelope.value`, etc. should be `store.envelope.fields.key`, `store.envelope.fields.value`, etc.

I also tried this with a simpler `JSON` configuration and used plain strings instead of avro messages, and the issue still occurred. ``` { "name": "backup-s3-sink", "config": { "connector.class": "io.lenses.streamreactor.connect.aws.s3.sink.S3SinkConnector",...