Define placeholder for required secrets for image

Author: cmd-ntrf

data/environment/image.yaml

@@ -5,3 +5,6 @@ profile::slurm::node::ensure_slurmd: 'stopped'
 profile::slurm::base::ensure_munge: 'stopped'
 consul::service_ensure: 'stopped'
 profile::gpu::install::load_modules: false
+profile::consul::acl_api_token: 'IMAGE-ENV-PLACEHOLDER'
+profile::slurm::base::munge_key: 'IMAGE-ENV-PLACEHOLDER'
+profile::freeipa::server::admin_password: 'IMAGE-ENV-PLACEHOLDER'