Configuration Support for registry+v1 bundle (w/ Helm aware)

[bentito]

WIP

See RFC for what this is trying to do:
See https://docs.google.com/document/d/1rmcT8tXcezjq0Iy3Cde097Y8ZaCgUXhEgiuyfv1vXUI

kubectl create namespace demo-ns
# to just see the values rendered into the ConfigMap

go run cmd/demo-config/main.go testdata/images/bundles/test-operator/v2.0.0 demo-ns 

# or to apply them live in kind cluster
make run
go run cmd/demo-config/main.go testdata/images/bundles/test-operator/v2.0.0 demo-ns  kubectl apply -f -
kubectl -n demo-ns get configmap test-configmap -o yaml

# to see what helm might be like, helm chart added to the test-operator v2 
# and so you can do (with helm flag you can point at bundle will use the supplied chart anyway:
go run cmd/demo-config/main.go --helm testdata/images/bundles/test-operator/v2.0.0 helm-ns

Description

Reviewer Checklist

• API Go Documentation
• Tests: Unit Tests (and E2E Tests, if appropriate)
• Comprehensive Commit Messages
• Links to related GitHub Issue(s)

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[openshift-merge-robot]

PR needs rebase.

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