CPLT2-5469 - Create a new folder for the Helm Custom Value Examples

Create a new folder of examples to support the CloudBees Core for Modern Platforms Helm installation.

Author: cb-jeffduska

README

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+## Welcome
+Welcome to the CloudBees examples repository. This repository was created as a place for storing. tutorials, examples, and other learning materials. 
+
+## Examples Summary
+The following table is a brief summary of each of the example projects. 
+
+|Directory|Description  |
+|:---|:-|
+|pipeline-template-examples|This repository includes a sample Pipeline Template Catalog. The demos folder includes examples of how to customize a template.yaml file.  |
+|helm-custom-value-file-examples|Custom Property Value Files for the CloudBees Core for Modern Platforms Helm installation.|

README.md

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+# CloudBees Core Helm Installation Custom Value Example
+
+## Introduction 
+These YAML files are example values files for the CloudBees Core Helm Chart.
+
+## Examples
+* `example-values.yaml`
+	- An example of installing CloudBees Core that matches the CloudBees Core YAML file that is distributed with the CloudBees Core for installation package.   
+- `migration-values-example.yaml`
+	- A helm example values file for standard kubernetes install. An nginx-ingress controller is not installed and ssl isn't installed.	

helm-custom-value-file-examples/README.md

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+# A helm example values file for standard kubernetes install. An nginx-ingress controller is not installed and ssl isn't installed.
+# This example file is used to create the sample cloudbees-core.yaml file bundled with the installation.
+# Install an nginx-ingress controller 
+nginx-ingress:
+  enabled: false
+
+OperationsCenter:
+  # Set the HostName for the Operation Center
+  HostName: 'cloudbees-core.example.com'
+  Ingress:
+    tls:
+    ## Set this to true in order to enable TLS on the ingress record
+      Enable: false
+      SecretName: core-example-com-tls
+      Host: jenkins.cluster.local
+
+# If you are migrating from an existing manual installation of CloudBees Core, provide the PVC that was created
+# during the initial installation
+Persistence:
+  ExistingClaim:
+
+nameOverride: cjoc
+
+saOverride:
+  enabled : true
+  serviceAccount: cjoc
+  masterServiceAccount: jenkins

helm-custom-value-file-examples/example-values.yaml

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+# A helm example values file for migrating a CloudBees Core for Modern Platfrom Install.
+# Install an nginx-ingress controller
+nginx-ingress:
+  # Change this to true, if you want to install the NGINX Ingress Controller
+  Enabled: false
+
+OperationsCenter:
+  # Set the HostName for the Operation Center
+  HostName: 'cloudbees-core.example.com'
+  Ingress:
+    tls:
+    ## Set this to true in order to enable TLS on the ingress record
+      Enable: false
+      SecretName: core-example-com-tls
+      Host: jenkins.cluster.local
+
+# Do not change these values. They are all set for migrating CloudBees Core. 
+Persistence:
+  ExistingClaim: 'jenkins-home-cjoc-0' 
+
+nameOverride: cjoc
+
+saOverride:
+  enabled : true
+  serviceAccount: cjoc
+  masterServiceAccount: jenkins