Fill symfony/messenger bridge documentation (#146)

* Fill symfony/messenger bridge documentation

* Apply suggestions from code review

Co-authored-by: Maximilien Delangle <[email protected]>

---------

Co-authored-by: Maximilien Delangle <[email protected]>

Author: yann-eugone

docs/docs/bridges/symfony-messenger.rst

@@ -1,7 +1,8 @@
 Bridge with ``symfony/messenger``
 ============================================================
 
-The ``Messenger`` component for ``Symfony`` allows dispatch messages through a bus.
+Refer to the `official documentation <https://symfony.com/doc/current/messenger.html>`__ on Symfony's website.
+
 
 Launch Job through Messenger dispatcher
 ------------------------------------------------------------
@@ -38,3 +39,18 @@ You will end with something like:
 
 .. seealso::
    | :doc:`What is a job launcher? </core-concepts/job-launcher>`
+   | :doc:`Getting started with Symfony Framework </getting-started/with-symfony>`
+   | :doc:`Bridge with Symfony Framework </bridges/symfony-framework>`
+
+
+Dispatch item with messenger writer
+------------------------------------------------------------
+
+| This item writer will dispatches each item through Symfony's messenger bus.
+| Items must be objects that messenger can handle.
+
+.. literalinclude:: symfony-messenger/dispatch-each-item-as-message-writer.php
+   :language: php
+
+.. seealso::
+   | :doc:`What is an item writer? </core-concepts/item-job/item-writer>`

docs/docs/bridges/symfony-messenger/dispatch-each-item-as-message-writer.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\Messenger\MessageBusInterface;
+use Yokai\Batch\Bridge\Symfony\Messenger\Writer\DispatchEachItemAsMessageWriter;
+
+/** @var MessageBusInterface $messageBus */
+
+new DispatchEachItemAsMessageWriter(
+    messageBus: $messageBus,
+);