Include linode object storage for backend

terraform/backend.tf

@@ -0,0 +1,9 @@
+terraform {
+  backend "s3" {
+    bucket = "prod-env"
+    key    = "./terraform.tfstate"
+    region = "us-east-1"                                # e.g. us-east-1
+    endpoint = "us-southeast-1.linodeobjects.com"       # e.g. us-east-1.linodeobjects.com
+    skip_credentials_validation = true                  # Terraform will ask AWS about credential validation instead of Linode if this is enabled.
+  }
+}