added language switcher

app/ui/SelectLanguage.tsx

@@ -0,0 +1,16 @@
+"use client";
+
+import { useLocale } from "next-intl";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { defaultLocale, localeNames, locales } from "../i18n";
+
+export const SelectLanguage: React.FC = () => {
+    const currentPathname = usePathname();
+
+    const locale = useLocale();
+    const secondLocale = locales.find((l) => l !== locale) as string;
+    const secondLocalePathname = defaultLocale === locale ? `/${secondLocale}${currentPathname}` : currentPathname.replace(`/${locale}/`, `/${secondLocale}/`);
+
+    return (<Link className="btn btn-ghost text-xl self-end" href={secondLocalePathname}>{localeNames[secondLocale]}</Link>);
+}