Allow 0 instances

Signed-off-by: Danny Kopping <[email protected]>

Author: dannykopping

provider/workspace_preset.go

@@ -2,6 +2,7 @@ package provider
 
 import (
 	"context"
+
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
@@ -90,7 +91,7 @@ func workspacePresetDataSource() *schema.Resource {
 							Type:         schema.TypeInt,
 							Required:     true,
 							ForceNew:     true,
-							ValidateFunc: validation.IntAtLeast(1),
+							ValidateFunc: validation.IntAtLeast(0),
 						},
 					},
 				},