Update to use Docker Hub registry

- Change from Quay.io to Docker Hub (andersonid/openshift-resource-governance)
- Update GitHub Actions to use DOCKERHUB_USERNAME and DOCKERHUB_TOKEN
- Update all scripts and documentation to use Docker Hub
- Add DOCKERHUB-SETUP.md with detailed setup instructions
- Update Makefile, deploy scripts, and templates
- Simplify registry references (no quay.io prefix needed)

openshift-git-deploy.yaml

@@ -17,7 +17,7 @@ parameters:
 - name: REGISTRY
   displayName: "Container Registry"
   description: "Registry da imagem Docker"
-  value: "quay.io/andersonid"
+  value: "andersonid"
 - name: NAMESPACE
   displayName: "Namespace"
   description: "Namespace para deploy"