i18n + language storage

i18n is used for default titles, aria labels, and dialog button texts.

Auto language order

storage (storage.key)
<html lang>
navigator.language
fallbackLang

js

FToast.config({ storage: { type: "local", key: "site_lang" }, lang: "auto" });
FToast.addTranslations("en", { "dialog.cancel": "Cancel", "close.aria": "Close" });