Improve Internationalization #3381
Description
Kind of related to https://github.com/specify/specify7/projects/12
- Run grammarly on localization files
- Setup automated grammar checker and tone checker for localization files
- Look into Intl.Locale (customizable)
- Look into Intl.PluralRules
- In schema config, when user creates a new language, validate it using Intl.getCanonicalLocales
- In schema config, when creating a language, allow users to use the "variant" field (like it is supported in sp6)