fix: added link to FAQ in 1-org (#497)

Author: gjj

1-org/README.md

@@ -62,6 +62,7 @@ The purpose of this step is to set up top-level shared folders, monitoring and n
 2. Cloud Identity / Google Workspace group for security admins.
 3. Membership in the security admins group for the user running Terraform.
 4. Security Command Center notifications require that you choose a Security Command Center tier and create and grant permissions for the Security Command Center service account as outlined in [Setting up Security Command Center](https://cloud.google.com/security-command-center/docs/quickstart-security-command-center)
+5. Ensure that you have requested for sufficient projects quota, as the Terraform scripts will create multiple projects from this point onwards. For more information, please [see the FAQ](https://github.com/terraform-google-modules/terraform-example-foundation/blob/master/docs/FAQ.md).
 
 **Note:** Make sure that you use the same version of Terraform throughout this
 series, otherwise you might experience Terraform state snapshot lock errors.