minor #747 Correcting sf4 config path (mstrom, javiereguiluz)

This PR was merged into the master branch.

Discussion
----------

Correcting sf4 config path

Commits
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6db8ba9 Update the SwiftMailer dev config to match recipe
a86bda3 Removing requirement to register twig extension in services.yaml
9c8ed6d Fixing swiftmailer config path and added missing config for dev env
e4bdc3d Fixing path in Entity/Post

Author: javiereguiluz

config/packages/dev/swiftmailer.yaml

@@ -1,2 +1,4 @@
-#swiftmailer:
-    #delivery_address: [email protected]
+# See https://symfony.com/doc/current/email/dev_environment.html
+swiftmailer:
+    #  send all emails to a specific address
+    #delivery_addresses: ['[email protected]']

src/Entity/Post.php

@@ -35,7 +35,7 @@ class Post
 {
     /**
      * Use constants to define configuration options that rarely change instead
-     * of specifying them in app/config/config.yml.
+     * of specifying them under parameters section in config/services.yaml file.
      *
      * See https://symfony.com/doc/current/best_practices/configuration.html#constants-vs-configuration-options
      */

src/EventSubscriber/CommentNotificationSubscriber.php

@@ -72,7 +72,7 @@ public function onCommentCreated(GenericEvent $event): void
             ->setBody($body, 'text/html')
         ;
 
-        // In app/config/config_dev.yml the 'disable_delivery' option is set to 'true'.
+        // In config/packages/dev/swiftmailer.yaml the 'disable_delivery' option is set to 'true'.
         // That's why in the development environment you won't actually receive any email.
         // However, you can inspect the contents of those unsent emails using the debug toolbar.
         // See https://symfony.com/doc/current/email/dev_environment.html#viewing-from-the-web-debug-toolbar

src/Twig/AppExtension.php

@@ -23,9 +23,6 @@
  *
  * See https://symfony.com/doc/current/cookbook/templating/twig_extension.html
  *
- * In addition to creating the Twig extension class, before using it you must also
- * register it as a service. See app/config/services.yml file for details.
- *
  * @author Ryan Weaver <[email protected]>
  * @author Javier Eguiluz <[email protected]>
  * @author Julien ITARD <[email protected]>