Add banner to subpages

Author: maxvp

src/content/docs/cloudflare-one/connections/connect-devices/warp/user-side-certificates/automated-deployment.mdx

@@ -5,6 +5,8 @@ sidebar:
   order: 1
 head: []
 description: Automatically deploy a root certificate on desktop devices.
+banner:
+  content: The default global Cloudflare root certificate will expire on 2025-02-02. If you installed the default Cloudflare certificate before 2024-17-10, you must <a href="#generate-a-cloudflare-root-certificate">generate a new certificate</a> and activate it for your Zero Trust organization to avoid inspection errors.
 ---
 
 import { Details } from "~/components";

src/content/docs/cloudflare-one/connections/connect-devices/warp/user-side-certificates/custom-certificate.mdx

@@ -6,6 +6,8 @@ sidebar:
 head: []
 description: Configure WARP to use a custom root certificate instead of the
   Cloudflare certificate.
+banner:
+  content: The default global Cloudflare root certificate will expire on 2025-02-02. If you installed the default Cloudflare certificate before 2024-17-10, you must <a href="#generate-a-cloudflare-root-certificate">generate a new certificate</a> and activate it for your Zero Trust organization to avoid inspection errors.
 ---
 
 import { Render, Tabs, TabItem } from "~/components";

src/content/docs/cloudflare-one/connections/connect-devices/warp/user-side-certificates/manual-deployment.mdx

@@ -6,6 +6,8 @@ sidebar:
 head: []
 description: Manually add a Cloudflare certificate to mobile devices and
   individual applications.
+banner:
+  content: The default global Cloudflare root certificate will expire on 2025-02-02. If you installed the default Cloudflare certificate before 2024-17-10, you must <a href="#generate-a-cloudflare-root-certificate">generate a new certificate</a> and activate it for your Zero Trust organization to avoid inspection errors.
 ---
 
 import { Details, Render, TabItem, Tabs } from "~/components";