fix(doc): add import part and fix typo

Author: Laure-di

docs/resources/inference_custom_model.md

@@ -1,6 +1,6 @@
 ---
 subcategory: "Inference"
-page_title: "Scaleway: scaleway_inference_deployment"
+page_title: "Scaleway: scaleway_inference_custom_model"
 ---
 
 # Resource: scaleway_inference_custom_model
@@ -22,16 +22,16 @@ resource "scaleway_inference_custom_model" "test" {
 ### Deploy your own model on your managed inference
 
 ```terraform
-resource "scaleway_inference_custom_model" "test" {
+resource "scaleway_inference_custom_model" "my_model" {
   name = "my-awesome-model"
   url = "https://huggingface.co/my-awsome-model"
   secret = "my-secret-token"
 }
 
-resource "scaleway_inference_deployment" "main" {
+resource "scaleway_inference_deployment" "my_deployment" {
   name      = "test-inference-deployment-basic"
   node_type = "A100-80GB" # replace with your node type
-  model_id  = scaleway_inference_custom_model.test.id
+  model_id  = scaleway_inference_custom_model.my_model.id
 
   public_endpoint {
     is_enabled = true
@@ -65,4 +65,12 @@ In addition to all arguments above, the following attributes are exported:
         - `quantization` - A list of supported quantization options, including:
             - `quantization_bits` -  Number of bits used for quantization (e.g., 8, 16).
             - `allowed` - Whether this quantization is allowed.
-            - `max_context_size` - Maximum context length supported by this quantization.
+            - `max_context_size` - Maximum context length supported by this quantization.
+
+## Import
+
+Functions can be imported using, `{region}/{id}`, as shown below:
+
+```bash
+terraform import scaleway_inference_custom_model.my_model fr-par/11111111-1111-1111-1111-111111111111
+```