message: Add leboncoin in Adopters list
diff: @@ -119,3 +119,4 @@ _If you're using Backstage in your organization, please try to add your company
  | [SEEK](https://www.seek.com.au) | [Jahred Hope](https://github.com/jahredhope) | Developer portal for developer tooling and technical documentation. |
  | [Marks & Spencer](https://www.marksandspencer.com/) | [Kamal Cheriyath](https://github.com/kcheriyath) | Centralised discovery, adoption and devops automation hub for Engineering & Architecture. |
  | [McKesson](https://www.mckesson.com/) | [Agnel Antony](https://github.com/aantony2) | Internal Developer Platform for developer gated CI/CD templates, technical documentation, cloud automation service catalog, etc. |
  +| [leboncoin](https://www.leboncoin.fr/) | [Andy Ladjadj](https://github.com/aladjadj) | Centralize our multiple UI in a single portal. Simplify onbording, new features and harmonize how people search information. Core features (catalog,api,docs,scafolder) are good to start the adoption. status: internal beta. |
  