feat(mongodb): add doc

Author: jremy42

docs/resources/mongodb_instance.md

@@ -25,6 +25,30 @@ resource "scaleway_mongodb_instance" "main" {
 }
 ```
 
+### Private Network
+
+```terraform
+resource scaleway_vpc_private_network pn01 {
+  name = "my_private_network"
+  region = "fr-par"
+}
+
+resource "scaleway_mongodb_instance" "main" {
+  name        = "test-mongodb-basic1"
+  version     = "7.0.12"
+  node_type   = "MGDB-PLAY2-NANO"
+  node_number = 1
+  user_name   = "my_initial_user"
+  password    = "thiZ_is_v&ry_s3cret"
+  volume_size_in_gb = 5
+  
+  private_network {
+    pn_id = "${scaleway_vpc_private_network.pn02.id}"
+  }
+
+}
+```
+
 
 ### Restore From Snapshot
 
@@ -51,6 +75,8 @@ The following arguments are supported:
 - `volume_type` - (Optional) Volume type of the instance.
 - `volume_size_in_gb` - (Optional) Volume size in GB.
 - `snapshot_id` - (Optional) Snapshot ID to restore the MongoDB® instance from.
+- `private_network` - (Optional) Private Network endpoints of the Database Instance.
+    - `pn_id` - (Required) The ID of the Private Network.- 
 - `public_network` - (Optional) Public network specs details.
 
 ## Attributes Reference
@@ -60,6 +86,11 @@ In addition to all arguments above, the following attributes are exported:
 - `id` - The ID of the MongoDB® instance.
 - `created_at` - The date and time of the creation of the MongoDB® instance.
 - `updated_at` - The date and time of the last update of the MongoDB® instance.
+- `private_network` - Private Network endpoints of the Database Instance.
+    - `id` - The ID of the endpoint.
+    - `ips` - List of IP addresses for your endpoint.
+    - `port` - TCP port of the endpoint.
+    - `dns_records` - List of DNS records for your endpoint.
 
 ## Import
 

internal/services/mongodb/instance.go

@@ -110,7 +110,7 @@ func ResourceInstance() *schema.Resource {
 				Type:        schema.TypeList,
 				Optional:    true,
 				MaxItems:    1,
-				Description: "List of private network to expose your database instance",
+				Description: "Private network to expose your mongodb instance",
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"pn_id": {
@@ -122,8 +122,9 @@ func ResourceInstance() *schema.Resource {
 						},
 						// Computed
 						"id": {
-							Type:     schema.TypeString,
-							Computed: true,
+							Type:        schema.TypeString,
+							Computed:    true,
+							Description: "The private network ID",
 						},
 						"port": {
 							Type:        schema.TypeInt,
@@ -160,8 +161,9 @@ func ResourceInstance() *schema.Resource {
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"id": {
-							Type:     schema.TypeString,
-							Computed: true,
+							Type:        schema.TypeString,
+							Computed:    true,
+							Description: "ID of the public network",
 						},
 						"port": {
 							Type:        schema.TypeInt,