ISSUE-345: mailer packages

Author: tatevikg1

composer.json

@@ -58,7 +58,12 @@
         "doctrine/instantiator": "^2.0",
         "masterminds/html5": "^2.9",
         "ext-dom": "*",
-        "league/csv": "^9.23.0"
+        "league/csv": "^9.23.0",
+        "symfony/mailer": "^6.4",
+        "symfony/google-mailer": "^6.4",
+        "symfony/amazon-mailer": "^6.4",
+        "symfony/mailchimp-mailer": "^6.4",
+        "symfony/sendgrid-mailer": "^6.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",