[674] operator base version

This MR creates the initial version of the CRD addressing the production of SylvaUnitsRelease resource with its fields mapped/computed based on the spec on the SylvaWorkloadCluster CR

With this MR, I can define this CR:

apiVersion: sylva.gitlab.com/v1alpha1
kind: SylvaWorkloadCluster
metadata:
  name: test
spec:
  k8sVersion: x.y
  infrastructure: metal3
  controlPlane:
    provider: rke2
    replicas: 3
  machineDeployments:
    md0:
      replicas: 5

And the following SylvaUnitsRelease is created:

apiVersion: sylva.gitlab.com/v1alpha1
kind: SylvaUnitsRelease
metadata:
  name: test
spec:
  values:
    cluster:
      k8s_version: x.y
      capi_providers:
        infra_provider: capm3
        bootstrap_provider: cabpr
      machine_deployments:
        md0:
          replicas: 5     

relates to sylva-projects/sylva-core#674 (closed)