fix: Batch example readme review (#210)
fix: Batch example readme review (#210)

* Adds references

* Include info regarding App Engine

* Fix links in the csv section

* Fixes code review issues

* Fixes spelling nit

* Fixes text for blueprint requirements

Co-authored-by: Daniel 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