chores(doc): Ensure all input variables have a description. (#6)

README.md

@@ -39,11 +39,11 @@ module "my_domain" {
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| <a name="input_domain"></a> [domain](#input_domain) | n/a | `string` | n/a | yes |
-| <a name="input_mx_servers"></a> [mx_servers](#input_mx_servers) | n/a | ```list(object({ address = string priority = number }))``` | ```[ { "address": ".", "priority": 0 } ]``` | no |
+| <a name="input_domain"></a> [domain](#input_domain) | Name of the domain to manage. | `string` | n/a | yes |
+| <a name="input_mx_servers"></a> [mx_servers](#input_mx_servers) | Informations regarding MX servers. **MX servers are required to enable Transactional Emails.** | ```list(object({ address = string priority = number }))``` | ```[ { "address": ".", "priority": 0 } ]``` | no |
 | <a name="input_project_id"></a> [project_id](#input_project_id) | ID of the project the domain is associated with. Ressource will be created in the project set at the provider level if null. | `string` | `null` | no |
 | <a name="input_setup_tem"></a> [setup_tem](#input_setup_tem) | Whether to create a Transaction Email service. **Beware that the service is only available in region `fr-par` at the moment.** | `bool` | `false` | no |
-| <a name="input_subdomain"></a> [subdomain](#input_subdomain) | n/a | `string` | `""` | no |
+| <a name="input_subdomain"></a> [subdomain](#input_subdomain) | Name of the subdomain to manage. | `string` | `""` | no |
 
 ## Outputs
 

variables.tf

@@ -1,8 +1,10 @@
 variable "domain" {
-  type = string
+  description = "Name of the domain to manage."
+  type        = string
 }
 
 variable "mx_servers" {
+  description = "Informations regarding MX servers. **MX servers are required to enable Transactional Emails.**"
   type = list(object({
     address  = string
     priority = number
@@ -20,8 +22,9 @@ variable "project_id" {
 }
 
 variable "subdomain" {
-  type    = string
-  default = ""
+  description = "Name of the subdomain to manage."
+  type        = string
+  default     = ""
 }
 
 variable "setup_tem" {