add reference to user roles

src/pages/how-to/delete-account.mdx

@@ -2,6 +2,7 @@ import {Note} from "@/components/mdx";
 
 # Delete your NetBird account
 To delete your NetBird organization account, you must be a user with the Owner role. You can ask the owner to delete the organization account if you are not the account owner.
+Learn more about user roles at [Manage user roles](/how-to/add-users-to-your-network#manage-user-roless).
 ## Delete your account
 <Note>
     Before proceeding to delete your Netbird account, please be aware that this action is irreversible. Once your account is deleted, you will permanently lose access to all associated data, including your peers, users, groups, policies, and routes.