feat: add i18n support and add Chinese (#372)

* feat: add i18n support and add Chinese

* fix: resolve conflicts

* Update en.json with cancle settings

* Update zh.json with settngs cancle

---------

Co-authored-by: johnny0120 <15564476+johnny0120@users.noreply.github.com>
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
Co-authored-by: Willem Jiang <143703838+willem-bd@users.noreply.github.com>

web/src/i18n.ts

@@ -0,0 +1,23 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
+import { cookies } from "next/headers";
+import { getRequestConfig } from "next-intl/server";
+
+// Can be imported from a shared config
+const locales: Array<string> = ["zh", "en"];
+
+export default getRequestConfig(async () => {
+  // Get locale from cookie
+  const cookieStore = await cookies();
+  const cookieLocale = cookieStore.get("NEXT_LOCALE")?.value;
+
+  // Validate that the incoming `locale` parameter is valid
+  const locale =
+    cookieLocale && locales.includes(cookieLocale) ? cookieLocale : "en";
+
+  return {
+    messages: (await import(`../messages/${locale}.json`)).default,
+    locale,
+  };
+});