Transform Blueprints topic content into k0rdent Templates content

[KoryKessel-Mirantis]

As discussed on 10-April with @sergeymirantis and the k0rdent documentation personnel, we will transition the content at https://docs.k0rdent.io/v0.2.0/concepts/k0rdent-architecture/#templates into the current Blueprints topic in the MKE 4 documentation.