[CI] Think about a way to easily test localization

[AvdLee]

Since we're localizing our apps, it's time to think about an easy way to test screens for different localisations. Ideally, we allow QA to verify localizations based on automatically generated screenshots from our views. This has an added benefit of design being able to give us feedback on our design implementation.

We can use CI for generating these, but we should be smart to not always just run CI for this. Ideally, we just update what was changed and show QA what has changed. Detecting changes would be nice in this case.