feat: send an email when a domain has been modified

config/services.yaml

@@ -4,12 +4,15 @@
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
 parameters:
+    mailer_sender_email: '%env(MAILER_SENDER_EMAIL)%'
 
 services:
     # default configuration for services in *this* file
     _defaults:
         autowire: true      # Automatically injects dependencies in your services.
         autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
+        bind:
+            $mailerSenderEmail: '%mailer_sender_email%'
 
     # makes classes in src/ available to be used as services
     # this creates a service per class whose id is the fully-qualified class name