Add a command that allows starting up fidesctl in prod mode

[allisonking]

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Is your feature request related to a specific problem?

Right now it's difficult to actually see the built UI since our docker-compose overwrites the built static files with the user's local environment.

Describe the solution you'd like

We should add a command that mirrors the real deployment as much as possible.

Describe alternatives you've considered, if any

A description of any alternative solutions or features you've considered.

Additional context

https://github.com/ethyca/fides/pull/757#discussion_r901296645

This would also help us out with https://github.com/ethyca/fidesctl-plus/issues/30

I suspect @ThomasLaPiana has some good ideas on how to do this :)

[ThomasLaPiana]

so you're saying add a nox -s prod in addition to a nox -s dev? Makes sense to me! I'm sure I could cook something up :)

[allisonking]

Closing this one in favor of https://github.com/ethyca/fides/issues/2385