Add CYD browser flasher with Next.js, i18n, and Web Serial install.

Replace the starter app with a public/local flasher that discovers sibling firmwares, supports en/zh, and documents HTTPS deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

next.config.ts

@@ -1,7 +1,8 @@
 import type { NextConfig } from "next";
+import createNextIntlPlugin from "next-intl/plugin";
 
-const nextConfig: NextConfig = {
-  /* config options here */
-};
+const withNextIntl = createNextIntlPlugin("./i18n/request.ts");
 
-export default nextConfig;
+const nextConfig: NextConfig = {};
+
+export default withNextIntl(nextConfig);