minor #16006 Add Attributes code to the 'Annotation Routes' section (BahmanMD)

This PR was merged into the 5.3 branch.

Discussion
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Add Attributes code to the 'Annotation Routes' section

Add Attributes code to the 'Annotation Routes' section and update `page_creation.rst`

Commits
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44ffc2f Add Attributes code

Author: javiereguiluz

page_creation.rst

@@ -94,6 +94,10 @@ to creating a page?
 Annotation Routes
 -----------------
 
+.. caution::
+
+    If you use PHP8 or later, you do not need to install annotations package and instead of annotations, you can use structured metadata with PHP's native syntax (Attributes)
+
 Instead of defining your route in YAML, Symfony also allows you to use *annotation*
 routes. To do this, install the annotations package:
 
@@ -103,23 +107,41 @@ routes. To do this, install the annotations package:
 
 You can now add your route directly *above* the controller:
 
-.. code-block:: diff
-
-      // src/Controller/LuckyController.php
-
-      // ...
-    + use Symfony\Component\Routing\Annotation\Route;
-
-      class LuckyController
-      {
-    +     /**
-    +      * @Route("/lucky/number")
-    +      */
-          public function number()
-          {
-              // this looks exactly the same
-          }
-      }
+.. configuration-block::
+
+    .. code-block:: Annotations
+	
+		// src/Controller/LuckyController.php
+
+		// ...
+		+ use Symfony\Component\Routing\Annotation\Route;
+
+		class LuckyController
+		{
+		+   /**
+		+    * @Route("/lucky/number")
+		+    */
+			public function number()
+			{
+				// this looks exactly the same
+			}
+		}
+	
+    .. code-block:: Attributes
+	
+		// src/Controller/LuckyController.php
+
+		// ...
+		+ use Symfony\Component\Routing\Annotation\Route;
+
+		class LuckyController
+		{
+		+   #[Route('/lucky/number')
+			public function number()
+			{
+				// this looks exactly the same
+			}
+		}
 
 That's it! The page - http://localhost:8000/lucky/number will work exactly
 like before! Annotations are the recommended way to configure routes.