first work on to do orders

app/Http/Resources/ToDo.php

@@ -21,7 +21,7 @@ class ToDo extends JsonResource
                 'attributes' => [
                     'data' => [
                         'name' => $this->name,
-                        'order' => $this->order,
+                        'order' => (int) $this->order,
                         'checked_at' => optional($this->checked_at)->diffForHumans(),
                         'last_updated' => $this->updated_at->diffForHumans(),
                     ]