Initial commit: ANOUMA website with Payload CMS, WebRTC meetings, and booking system

- Next.js 16 App Router site with the ANOUMA design system
- Payload CMS (PostgreSQL) for offers, events, posts and page content
- WebRTC video-call system with custom signaling server
- SMTP email reminders and booking-request notifications
- Customer accounts, calendar-based availability, and booking workflow

app/(payload)/admin/[[...segments]]/not-found.tsx

@@ -0,0 +1,24 @@
+/* THIS FILE WAS GENERATED AUTOMATICALLY BY PAYLOAD. */
+/* DO NOT MODIFY IT BECAUSE IT COULD BE REWRITTEN AT ANY TIME. */
+import type { Metadata } from "next";
+
+import config from "@payload-config";
+import { NotFoundPage, generatePageMetadata } from "@payloadcms/next/views";
+import { importMap } from "../importMap.js";
+
+type Args = {
+  params: Promise<{
+    segments: string[];
+  }>;
+  searchParams: Promise<{
+    [key: string]: string | string[];
+  }>;
+};
+
+export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>
+  generatePageMetadata({ config, params, searchParams });
+
+const NotFound = ({ params, searchParams }: Args) =>
+  NotFoundPage({ config, params, searchParams, importMap });
+
+export default NotFound;