docs(fix): add intro

Author: nerda-codes

pages/webhosting/how-to/manage-wordpress-webhosting.mdx

@@ -14,6 +14,8 @@ import WordPressEmail from '../assets/scaleway-wordpress-email.webp'
 import WordPressSuccessLogIn from '../assets/scaleway-wordpress-success.webp'
 import WordPressHostingOptions from '../assets/scaleway-hosting-options.webp'
 
+This page shows you how to access WordPress, create a mailbox, access your WordPress webmail interface, and access your backups.
+
 <Requirements />
 
 - A Scaleway account logged into the [console](https://console.scaleway.com)