feat(k8s): add support for project id (#602)

Author: remyleone

docs/resources/k8s_cluster_beta.md

@@ -158,6 +158,8 @@ The following arguments are supported:
 
 - `organization_id` - (Defaults to [provider](../index.md#organization_id) `organization_id`) The ID of the organization the cluster is associated with.
 
+- `project_id` - (Defaults to [provider](../index.md#project_id) `project_id`) The ID of the project the cluster is associated with.
+
 
 ## Attributes Reference
 

scaleway/resource_k8s_cluster_beta.go

@@ -280,6 +280,7 @@ func resourceScalewayK8SClusterBeta() *schema.Resource {
 			},
 			"region":          regionSchema(),
 			"organization_id": organizationIDSchema(),
+			"project_id":      projectIDSchema(),
 			// Computed elements
 			"created_at": {
 				Type:        schema.TypeString,
@@ -362,6 +363,7 @@ func resourceScalewayK8SClusterBetaCreate(d *schema.ResourceData, m interface{})
 	req := &k8s.CreateClusterRequest{
 		Region:           region,
 		OrganizationID:   expandStringPtr(d.Get("organization_id")),
+		ProjectID:        expandStringPtr(d.Get("project_id")),
 		Name:             expandOrGenerateString(d.Get("name"), "cluster"),
 		Description:      description.(string),
 		Cni:              k8s.CNI(d.Get("cni").(string)),
@@ -617,6 +619,8 @@ func resourceScalewayK8SClusterBetaRead(d *schema.ResourceData, m interface{}) e
 
 	_ = d.Set("region", string(region))
 	_ = d.Set("name", response.Name)
+	_ = d.Set("organization_id", response.OrganizationID)
+	_ = d.Set("project_id", response.ProjectID)
 	_ = d.Set("description", response.Description)
 	_ = d.Set("cni", response.Cni)
 	_ = d.Set("tags", response.Tags)