feat: initial Vite/React frontend service template

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/routes.tsx

@@ -0,0 +1,18 @@
+import type { RouteObject } from "react-router";
+import { ErrorPage } from "./routes/ErrorPage";
+import { Home } from "./routes/Home";
+import { Layout } from "./routes/Layout";
+import { Status, statusLoader } from "./routes/Status";
+
+// Data-mode route table. Add pages here; loaders live next to their component.
+export const routes: RouteObject[] = [
+  {
+    path: "/",
+    element: <Layout />,
+    errorElement: <ErrorPage />,
+    children: [
+      { index: true, element: <Home /> },
+      { path: "status", element: <Status />, loader: statusLoader },
+    ],
+  },
+];