feat: initial i18n support

web/default/src/i18n.js

@@ -0,0 +1,23 @@
+import i18n from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import Backend from 'i18next-http-backend';
+import LanguageDetector from 'i18next-browser-languagedetector';
+
+i18n
+  .use(Backend)
+  .use(LanguageDetector)
+  .use(initReactI18next)
+  .init({
+    fallbackLng: 'zh',
+    debug: process.env.NODE_ENV === 'development',
+
+    interpolation: {
+      escapeValue: false,
+    },
+
+    backend: {
+      loadPath: '/locales/{{lng}}/{{ns}}.json',
+    },
+  });
+
+export default i18n;