feat(demo): add story 1 — Sorano: Rock and Time

plugins/email/vendor/symfony/messenger/README.md

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+Messenger Component
+===================
+
+The Messenger component helps applications send and receive messages to/from
+other applications or via message queues.
+
+Sponsor
+-------
+
+The Messenger component for Symfony 5.4/6.0 is [backed][1] by [SensioLabs][2].
+
+As the creator of Symfony, SensioLabs supports companies using Symfony, with an
+offering encompassing consultancy, expertise, services, training, and technical
+assistance to ensure the success of web application development projects.
+
+Help Symfony by [sponsoring][3] its development!
+
+Resources
+---------
+
+ * [Documentation](https://symfony.com/doc/current/components/messenger.html)
+ * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+ * [Report issues](https://github.com/symfony/symfony/issues) and
+   [send Pull Requests](https://github.com/symfony/symfony/pulls)
+   in the [main Symfony repository](https://github.com/symfony/symfony)
+
+[1]: https://symfony.com/backers
+[2]: https://sensiolabs.com
+[3]: https://symfony.com/sponsor