import firestore index to Terraform resource
This is command for importing a resource.
code:sh
terraform import google_firestore_index.default {{name}}
and the name is
projects/{{project}}/databases/{{database}}/collectionGroups/{{collection}}/indexes/{{server_generated_id}}
{{database}} is (default)
you can get {{server_generated_id}} from gcloud firestore indexes composite list command.