Add initial operatorhub templates

operatorhub/README.md

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+# OperatorHub
+
+The below templates are used to deploy Operators from OperatorHub without having to interact with the WebUI.
+
+To do this you would create the following in order:
+
+1. [OperatorGroup](operatorgroup.yml)
+1. [CatalogSourceConfig](catalogsourceconfig.yml)
+1. [Subscription](subscription.yml)
+
+For more details, you can see the documention [here](https://docs.openshift.com/container-platform/4.1/applications/operators/olm-adding-operators-to-cluster.html#olm-installing-operator-from-operatorhub-using-cli_olm-adding-operators-to-a-cluster).

operatorhub/catalogsourceconfig.yml

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+---
+apiVersion: v1
+kind: Template
+message: |-
+  The following CatalogSourceConfig has been created: ${NAME}
+metadata:
+  name: catalogsourceconfig-template
+objects:
+- apiVersion: operators.coreos.com/v1
+  kind: CatalogSourceConfig
+  metadata:
+    name: ${NAME}
+  spec:
+    packages: "${OPERATORS}"
+    targetNamespace: "${OPERATOR_NAMESPACE}" 
+parameters:
+- name: NAME
+  required: true
+  description: Name of the CatalogSourceConfig to create
+- name: OPERATOR_NAMESPACE
+  value: openshift-operators
+  description: Namespace where you want the operator to be available
+- name: OPERATORS
+  required: true
+  description: a single or comma-seperated list of operators which you want to subscribe to

operatorhub/operatorgroup.yml

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+---
+apiVersion: v1
+kind: Template
+message: |-
+  The following OperatorGroup has been created: ${NAME}
+metadata:
+  name: operatorgroup-template
+objects:
+- apiVersion: operators.coreos.com/v1
+  kind: OperatorGroup
+  metadata:
+    name: ${NAME}
+  spec:
+    targetNamespaces: 
+    - ${TARGET_NAMESPACE}
+parameters:
+- name: NAME
+  required: true
+  description: Name of the OperatorGroup to create
+- name: TARGET_NAMESPACE
+  required: true
+  description: A namespace for the OperatorGroup to target

operatorhub/subscription.yml

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+---
+apiVersion: v1
+kind: Template
+message: |-
+  The following subscription has been created: ${NAME}
+metadata:
+  name: subscription-template
+objects:
+- apiVersion: operators.coreos.com/v1alpha1
+  kind: Subscription
+  metadata:
+    name: "${NAME}"
+  spec:
+    channel: "${CHANNEL}"
+    installPlanApproval: ${INSTALL_PLAN}
+    name: ${OPERATOR_NAME}
+    source: ${CATALOG_SOURCE_NAME}
+    sourceNamespace: ${OPERATOR_NAMESPACE}
+parameters:
+- name: NAME
+  required: true
+  description: Name of the subscription you would like to create
+- name: OPERATOR_NAME
+  required: true
+  description: Name of the operator you would like to subscribe to
+- name: OPERATOR_NAMESPACE
+  value: openshift-operators
+  description: Namespace where the operator is running
+- name: CHANNEL
+  value: preview
+  description: Name of the channel that you are subscribing to
+- name: INSTALL_PLAN
+  value: Automatic
+  description: Install plan that you would like to use (Automatic or Manual)
+- name: CATALOG_SOURCE_NAME
+  required: true
+  description: Name of the catalog source item that was created