feat: add Description field to cloud router (#32)

Author: elatovg

README.md

@@ -27,6 +27,7 @@ Functional examples are included in the
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
 | bgp | BGP information specific to this router. | `any` | `null` | no |
+| description | An optional description of this resource | `string` | `null` | no |
 | name | Name of the router | `string` | n/a | yes |
 | nats | NATs to deploy on this router. | `any` | `[]` | no |
 | network | A reference to the network to which this router belongs | `string` | n/a | yes |

main.tf

@@ -15,10 +15,11 @@
  */
 
 resource "google_compute_router" "router" {
-  name    = var.name
-  network = var.network
-  region  = var.region
-  project = var.project
+  name        = var.name
+  network     = var.network
+  region      = var.region
+  project     = var.project
+  description = var.description
   dynamic "bgp" {
     for_each = var.bgp != null ? [var.bgp] : []
     content {

variables.tf

@@ -34,6 +34,12 @@ variable "region" {
   description = "Region where the router resides"
 }
 
+variable "description" {
+  type        = string
+  description = "An optional description of this resource"
+  default     = null
+}
+
 # TODO(https://github.com/hashicorp/terraform/issues/19898): Convert these
 # to objects once optional variables are supported.