Add operatorhub.io to OCP 4.1 marketplace

cat <<EOF | oc create -f -
---
apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  labels:
    csc-owner-name: operatorhubio-catalog
    csc-owner-namespace: openshift-marketplace
    olm-visibility: hidden
    openshift-marketplace: "true"
    opsrc-datastore: "true"
    opsrc-owner-name: operatorhubio-catalog
    opsrc-owner-namespace: openshift-marketplace
    opsrc-provider: operatorhubio
  name: operatorhubio-catalog
  namespace: openshift-marketplace
spec:
  sourceType: grpc
  image: quay.io/operator-framework/upstream-community-operators:latest
  displayName: Community Operators
  publisher: OperatorHub.io
EOF