chore: Simple example readme review (#217)
chore: Simple example readme review (#217)

* Adds requirements

* fix markdown lint

* add missing period

Co-authored-by: Daniel da Silva Andrade <5483594e8df7b6aa208faea2232bc50d3c86aaff@ciandt.com>
GoogleCloudPlatform/terraform-google-secured-data-warehouse,GoogleCloudPlatform/terraform-google-secured-data-warehouse,GoogleCloudPlatform/terraform-google-secured-data-warehouse,GoogleCloudPlatform/terraform-google-secured-data-warehouse