heat_template_version: rocky

resources:

  workflow:
    type: OS::Mistral::Workflow
    properties:
      type: direct
      tasks:
        - name: hello
          action: std.echo output='Good morning!'
          publish:
            result: 'Bye'

  external_resource:
    type: OS::Mistral::ExternalResource
    properties:
      actions:
         CREATE:
           workflow: {get_resource: workflow}

Add an example of OS::Mistral::ExternalResource
Add an example of OS::Mistral::ExternalResource

I couldn't find a simple example of that resource, so here's a real
simplified one creating a workflow in the same template.

Change-Id: I9de98df8a629227ba83e50382ccba660621fcbd5
