added english language

src/components/landing/Navbar.jsx

@@ -1,10 +1,29 @@
+import { useTranslation } from 'react-i18next';
+
 export default function Navbar({ onLoginClick }) {
+  const { t, i18n } = useTranslation();
+
+  const toggleLang = () => {
+    const next = i18n.language === 'ru' ? 'en' : 'ru';
+    i18n.changeLanguage(next);
+    localStorage.setItem('i18nextLng', next);
+  };
+
   return (
     <nav className="nk-nav">
-      <span className="nk-logo">Находка</span>
-      <button className="nk-nav-btn" onClick={onLoginClick}>
-        Войти
-      </button>
+      <span className="nk-logo">{t('app.name')}</span>
+      <div className="nk-nav-right">
+        <button className="nk-lang-btn" onClick={toggleLang}>
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+            <circle cx="12" cy="12" r="10"/>
+            <path d="M2 12h20M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/>
+          </svg>
+          {i18n.language === 'ru' ? 'EN' : 'RU'}
+        </button>
+        <button className="nk-nav-btn" onClick={onLoginClick}>
+          {t('landing.login')}
+        </button>
+      </div>
     </nav>
   );
 }