Reference schema.yaml in 'Building Application Deployer' doc (#338)
Reference schema.yaml in 'Building Application Deployer' doc (#338)

* Reference schema.yaml in 'Building Application Deployer' doc
GoogleCloudPlatform/marketplace-k8s-app-tools,GoogleCloudPlatform/marketplace-k8s-app-tools,janetkuo/marketplace-k8s-app-tools,janetkuo/marketplace-k8s-app-tools