Publish basic status of file writer `Master`
Created by: dominikwerder
- Let the user define a
status-uri
either via the command line or the configuration file to specify on which Kafka topic the file writer should publish the status - Publish the basic list of files which are currently being written
- Prepared to pass the shared status producer to
StreamMaster
which in turn will publish more details about each file being written - The overall status of each file being written will be contained in the published json after DM-450 lands