Argocd Supervisor svc

[papivot]

1. Introducing a new section for the Supervisor Services Labs Catalog in the readme file.
2. Also included is a new folder structure where all the Labs services reside.
3. The Labs Usage Licence agreement is provided as a markdown file.
4. The first Labs service is the ArgoCD operator, which contains
   • the Carvel manifest and
   • an example deployment of the ArgoCD object.