Stream Management: Cat endpoint to view stream content

We want a rest endpoint to view the content of the stream.

Required options:

• stream: the name of the stream
• limit: the number of records to return
• fromGroup: use an existing consumer group to set the initial position
• rewind: once positioned with fromGroup fetch previous records
• fromOffset & partition: set exactly the first offset to retrieve in a particular partition
• timeout: once reached the end of the stream wait for new records up to the timeout

The output will be JSON records in server side events.