[WEB-4098] feat: noindex/nofollow (#7088)

* feat: noindex/nofollow

- On login: nofollow
- On app pages: noindex, nofollow

https://app.plane.so/plane/browse/WEB-4098/

- https://nextjs.org/docs/app/api-reference/file-conventions/layout
- https://nextjs.org/docs/app/building-your-application/routing/route-groups#creating-multiple-root-layouts
- https://nextjs.org/docs/app/api-reference/functions/generate-metadata#link-relpreload

* chore: address PR feedback

web/app/(all)/[workspaceSlug]/(projects)/notifications/layout.tsx

@@ -0,0 +1,13 @@
+"use client";
+
+// components
+import { NotificationsSidebarRoot } from "@/components/workspace-notifications";
+
+export default function ProjectInboxIssuesLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <div className="relative w-full h-full overflow-hidden flex items-center">
+      <NotificationsSidebarRoot />
+      <div className="w-full h-full overflow-hidden overflow-y-auto">{children}</div>
+    </div>
+  );
+}