Replace 'print' statements with logging

[trey-stafford]

We've made use of print a lot in this code, but we should be using logging. We will likely want to create some form of persistent logs for the OGDC in production.

I would suggest we use loguru. We use this on projects at NISDC and it helps to simplify/do away with the boilerplate that's otherwise necessary.

[mbjones]

+1 on simple logging config.

Note related discussion in PermafrostDiscoveryGateway/viz-staging#47 and a few other tickets in the libraries.