Added Symfony bundle and Sylius plugin links to README.

Author: ekyna

Diff for: README.md

@@ -4,6 +4,9 @@ Payum Monetico (Credit Mutuel/CIC/OBC) payment gateway.
 
 [![Build Status][ico-github-actions]][link-github-actions]
 
+* __Symfony__ bundle available [here](https://github.com/ekyna/PayumMoneticoBundle).
+* __Sylius__ plugin available [here](https://github.com/FLUX-SE/SyliusPayumMoneticoPlugin).
+
 ## Installation / Configuration
 
 ```bash
@@ -77,4 +80,4 @@ public function notifyAction(Request $request)
 ```
 
 [ico-github-actions]: https://github.com/ekyna/PayumMonetico/workflows/Build/badge.svg
-[link-github-actions]: https://github.com/ekyna/PayumMonetico/actions?query=workflow%3A"Build"
+[link-github-actions]: https://github.com/ekyna/PayumMonetico/actions?query=workflow%3A"Build"