feat: i18n

frontend/src/plugins/i18n.ts

@@ -0,0 +1,15 @@
+import { createI18n } from "vue-i18n";
+import en from "../locales/en.json";
+import zhHans from "../locales/zh-Hans.json";
+
+const i18n = createI18n({
+  legacy: false, // use Composition API
+  locale: navigator.language.startsWith("zh") ? "zh-Hans" : "en",
+  fallbackLocale: "en",
+  messages: {
+    en,
+    "zh-Hans": zhHans,
+  },
+});
+
+export default i18n;