This is built to be more robust than the SQLite storage, and to
integrate with other applications. The idea is that for example a web
application might interact with the same DB to create and delete clients
as customers come and go.
* Document RELEASING.md process
* Bump version numbers
* Do not automatically produce GH releases, and do not build binaries to attach to them
* Only build docker images on tags
* Use the `latest` Docker image tag in the Docker-compose config