TBA: Translation/Localization Support

We need a method for supporting translations in TBA. I don't have a good answer for this, so we should investigate our options and compare/contrast the usefulness of each.

Emma pointed me at [[https://fastlane.tools/|Fastlane]] which seems like a nice option and it will handle integrating translations and taking screenshots using them - but is seems like translations isn't a core feature of that project. Maybe it's good enough?

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