[feature] add i18n support

[Yang Luo]

Some UI texts can be i18n:

Can use react-i18n like Casdoor: https://door.casdoor.com/

[casbin-bot]

@nodece

[Yang Luo]

🎉 This issue has been resolved in version 1.9.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀