Update README.md

Signed-off-by: Pascal Cremer <pascal.cremer@geekcell.io>

Author: b00gizm

README.md

@@ -89,19 +89,23 @@ N/A
 #### Example Usage
 
 ```php
+
+// src/Domain/Event/OrderPlacedEvent.php
+
 use GeekCell\Ddd\Contracts\Domain\Event as DomainEvent;
-use GeekCell\DddBundle\Domain\AggregateRoot;
 
-class OrderPlacedEvent implements DomainEvent
+readonly class OrderPlacedEvent implements DomainEvent
 {
     public function __construct(
-        private readonly Order $order,
+        public Order $order,
     ) {
     }
-
-    // Getters etc.
 }
 
+// src/Domain/Model/Order.php
+
+use GeekCell\DddBundle\Domain\AggregateRoot;
+
 class Order extends AggregateRoot
 {
     public function save(): void
@@ -112,6 +116,8 @@ class Order extends AggregateRoot
     // ...
 }
 
+// Actual usage ...
+
 $order = new Order( /* ... */ );
 $order->save();
 $order->commit(); // All recorded events will be dispatched and released