Add DEBUG log writes to soar_bus to show messages in transit
At the moment the soar_bus logs when it starts listening for a client but nothing more. For partners developing and for the trials it would be good to be able to switch on debug logging and see messages getting forwarded and published.
We've already got a logger so it's really just adding some log writes and passing LOG_LEVEL into docker and using it to configure the logger instead of a hard-coded setting.
- Set log level from env var
- Set shared log config for API and bus
- Create log writes in rmq
- Create log writes for auth in API
- Remove or replace print statements with log writes in runtime components