Localization Support

We need support for adding localization in the app in multiple languages as well as vet the translations for their correctness.

Google Sheet with the current translations:
https://docs.google.com/spreadsheets/d/1NAl8xWGDRj6MmLHKyESONAAyudOHdFnSbaqF1Pr28sE/edit?usp=sharing

This sheet doesn't update itself and has to be maintained.