Improve project module README (#627)
Improve project module README (#627)

* improve module README

* Fix a few typos

Co-authored-by: Julio Castillo <52e2e8086baa51f8b926e9895776af5afbddd8fd@google.com>
GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric,GoogleCloudPlatform/cloud-foundation-fabric