Include vars file proposal

apb.yml

--- 
async: optional
bindable: false
description: "Jenkins service with optional persistent storage and S2I build"
image: ansibleplaybookbundle/jenkins-apb
metadata: 
  console.openshift.io/iconClass: icon-jenkins
  dependencies: 
    - "jenkins:latest"
  displayName: "Jenkins (APB)"
  documentationUrl: "https://docs.openshift.org/latest/using_images/other_images/jenkins.html"
  longDescription: "This APB deploys a Jenkins server capable of managing OpenShift Pipeline builds and supporting OpenShift-based oauth login."
name: jenkins-apb
plans: 
  - 
    description: "This plan deploys a single Jenkins server"
    free: true
    metadata: 
      cost: $0.00
      displayName: Default
      longDescription: "This plan deploys a Jenkins server capable of managing OpenShift pipeline builds"
    name: default
    parameters: 
      $ref: "file:vars.yaml"