[#219] Specify VPC module key output format in docs (#220)
[#219] Specify VPC module key output format in docs (#220)

* [#219] Specify VPC module key output format in docs

* Update README.md

Co-authored-by: Ludovico Magnocavallo <ae5a3c4fa3c5d1c2cc98e43b1899f88bce0e3569@qix.it>
GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric