Ordered list for certificate steps steps.

Co-authored-by: Kay Kim <[email protected]>

Author: alex-hunt-materialize

docs/footer.md

@@ -24,10 +24,10 @@ For example purposes, optional TLS support is provided by using `cert-manager` a
 More advanced TLS support using user-provided CAs or per-Materialize `Issuer`s are out of scope of this Terraform module. Please refer to the [cert-manager documentation](https://cert-manager.io/docs/configuration/) for detailed guidance on more advanced usage.
 
 ###### To enable installation of `cert-manager` and configuration of the self-signed `ClusterIssuer`
-* Set `install_cert_manager` to `true`.
-* Run `terraform apply`.
-* Set `use_self_signed_cluster_issuer` to `true`.
-* Run `terraform apply`.
+1. Set `install_cert_manager` to `true`.
+1. Run `terraform apply`.
+1. Set `use_self_signed_cluster_issuer` to `true`.
+1. Run `terraform apply`.
 
 Due to limitations in Terraform, it cannot plan Kubernetes resources using CRDs that do not exist yet. We need to first install `cert-manager` in the first `terraform apply`, before defining any `ClusterIssuer` or `Certificate` resources which get created in the second `terraform apply`.