i18next plugin without namespaces

i18n: {
        i18next: {
            returnObjects: true,
        },
        defaultLanguageDirectory: '/var/tictactoe/languages',
        backend: {
            paths: ['{{lng}}.json'],
        },
        fetchLanguage: async (context: InternationalizationContext) => {
            const locale = context.interactionGuildLocale || context.interactionLocale;
            if (locale && container.i18n.languages.has(locale)) return locale;

            return 'en-US';
        },
    },