Merge pull request #11741 from tanguyantoine/master

feat(adopters): add sendinblue

ADOPTERS.md

@@ -133,3 +133,4 @@ _If you're using Backstage in your organization, please try to add your company
 | [Tink](https://tink.com/)                                                   | [Sebastian Olsson](https://github.com/Sebelino), [Błażej Szum](https://github.com/blazejszumtink), [Anders Eurenius Runvald](https://github.com/anders-er-at-tink)                                                                                               | Internal developer portal which provides templates for creating new Java or Go microservices seamlessly. Also includes a tech radar and a visualization of our CD pipeline.                                                                                                                                                                          |
 | [Brandwatch](https://brandwatch.com)| [Stefan Buck](https://github.com/stefanbuck) | Our primary focus is on the service catalog. Backstage is replacing our homemade service catalog. The switch was quite simple due to the catalog processor API.
 | [Laybuy](https://www.laybuy.com)| [Chris Simmons](https://github.com/contrarianchris) | Backstage is the heart of Laybuy’s new centralised Development Platform, bringing disparate development tools and experiences into a single easy-to-use portal. It simplifies software and API discovery, project scaffolding, and technical documentation, enabling us to embrace golden path development and automate software standards. 
+| [Sendinblue](https://engineering.sendinblue.com/)| [Tanguy Antoine](mailto:antoine.tanguy@sendinblue.com) | Helps us drive the change at scale. Puts light on services, resources, and dependencies. One tool that rules them all through plugins we created for that purpose. We are aiming to put Backstage at the center of every developer's work (Actionable items, Debugging, Monitoring, Provisioning, etc...) to improve their happiness  |