Add data source for list forwarding rules

[jesse-l]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request.
• Please do not leave +1 or me too comments, they generate extra noise for issue followers and do not help prioritize the request.
• If you are interested in working on this issue or have submitted a pull request, please leave a comment.
• If an issue is assigned to a user, that user is claiming responsibility for the issue.
• Customers working with a Google Technical Account Manager or Customer Engineer can ask them to reach out internally
  to expedite investigation and resolution of this issue.

Description

Adding a new data source that would allow for users to list out forwarding rules in a specific region of a project.

New or Affected Resource(s)

• google_compute_forwarding_rules

Potential Terraform Configuration

data "google_compute_forwarding_rules" "rules" {
     project = "foobar"
     region = "us-central1"
}

References

• gcloud cli
• Google Cloud API
• Bug

b/326185565

[jesse-l]

Can I get this assigned to me as I have been working on it.