Nando

### Proposal It would be great to be able to configure the [Vault](https://developer.hashicorp.com/nomad/docs/other-specifications/namespace#vault-parameters) and [Consul](https://developer.hashicorp.com/nomad/docs/other-specifications/namespace#vault-parameters) blocks in the `nomad_namespace` resource. ### Use-cases At the moment I'm using a Sentinel policy...