Fix Markdown syntax issues

Author: github-actions[bot]

4_identity-security/key-vault/README.md

@@ -83,8 +83,8 @@ Below is a list of variables used in this template, their expected values, types
    terraform apply -auto-approve
    ```
 
-
 > [!NOTES]
+>
 > - This template creates the Resource Group for you.
 > - Key Vault names are globally unique. If you see `VaultAlreadyExists`, either change the base name or keep `key_vault_name_use_random_suffix = true`.
 > - If you enable `purge_protection_enabled`, Key Vault deletion becomes more restrictive and `terraform destroy` may fail until purge protection rules allow cleanup.