Update README.md

README.md

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     <img src="https://symfony.com/logos/symfony_black_02.svg">
 </a></p>
 
-The [Symfony binary][1] is a must-have tool when developing Symfony applications
-on your local machine. It provides:
+The [Symfony CLI code][1] has been Open-Sourced now, use it instead of the one provided in this repository, which is not maintained anymore.
 
-* The best way to [create new Symfony applications][2];
-* A powerful [local web server][3] to develop your projects with support for [TLS certificates][4];
-* A tool to [check for security vulnerabilities][5];
-* Seamless integration with [SymfonyCloud][6].
-
-Installation
-------------
-
-Follow the instructions at [symfony.com/download][1].
-
-Reporting Issues
-----------------
-
-* Use [github.com/symfony/cli][8] to report issues related to the Symfony binary;
-* Use [symfony.com/cloud/support][7] to report issues related to SymfonyCloud.
-
-Security Issues
----------------
-
-If you discover a security vulnerability, please follow our [disclosure procedure][9].
-
-[1]: https://symfony.com/download
-[2]: https://symfony.com/doc/current/setup.html#creating-symfony-applications
-[3]: https://symfony.com/doc/current/setup/symfony_server.html
-[4]: https://symfony.com/doc/current/setup/symfony_server.html#enabling-tls
-[5]: https://symfony.com/doc/current/setup.html#security-checker
-[6]: https://symfony.com/cloud
-[7]: https://symfony.com/cloud/support/new
-[8]: https://github.com/symfony/cli/issues/new
-[9]: https://symfony.com/security
+[1]: https://github.com/symfony-cli/symfony-cli