Add support for a distributed logging mechanism

[prince-chrismc]

The future goal will be to have a sink for distributed logging

The spdlog API matches nicely with fluentd which has a ton of support behind it.

Originally posted by @prince-chrismc in https://github.com/prince-chrismc/user-management/issues/17#issuecomment-739113752

[prince-chrismc]

Other ideas

• prometheus maybe https://github.com/jupp0r/prometheus-cpp
• jaeger maybe https://github.com/jaegertracing/jaeger-client-cpp