I need to add generateStaticParams function for locales:

export function generateStaticParams() {
  return routing.locales.map((locale) => ({ locale }));
}

export default async function LocaleLayout({ children, params }) {
...
}

now all my component inside [locale] path are SSG (prerendered as static HTML) which have the same result as static, if i'm not wrong, extremely fast and effective for SEO