update document

Author: HPWebdeveloper

docs/examples/api-resources.md

@@ -31,9 +31,8 @@ public function show(Order $order)
     return [
         'order' => new OrderResource($order),
         'current_state' => StateResource::make($order->state),
-        'available_transitions' => StateResource::collection(
-            $order->getNextStateInstances()
-        ),
+        'available_transitions' => collect($order->getNextStates())
+            ->map(fn ($class) => StateResource::make(new $class($order))),
     ];
 }
 ```