feat: i18n

src/i18n/index.ts

@@ -0,0 +1,37 @@
+import i18n from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import en from './locales/en';
+import ru from './locales/ru';
+
+const STORAGE_KEY = 'mcma_lang';
+
+function detectLanguage(): string {
+  const stored = localStorage.getItem(STORAGE_KEY);
+  if (stored) return stored;
+  const browser = navigator.language.split('-')[0];
+  return browser === 'ru' ? 'ru' : 'en';
+}
+
+export function setLanguage(lang: string): void {
+  localStorage.setItem(STORAGE_KEY, lang);
+  void i18n.changeLanguage(lang);
+}
+
+export const SUPPORTED_LANGUAGES = [
+  { code: 'en', label: 'English' },
+  { code: 'ru', label: 'Русский' },
+] as const;
+
+void i18n.use(initReactI18next).init({
+  resources: {
+    en: { translation: en },
+    ru: { translation: ru },
+  },
+  lng: detectLanguage(),
+  fallbackLng: 'en',
+  interpolation: {
+    escapeValue: false,
+  },
+});
+
+export default i18n;