Starting a networking module to get a private ip address for cloudsql.

terraform/modules/networking/networking.tf

@@ -0,0 +1,10 @@
+variable "project" {
+  description = "Project ID."
+  type        = string
+}
+
+resource "google_compute_network" "private_network" {
+  project                 = var.project
+  name                    = "private-network"
+  auto_create_subnetworks = false
+}