Update README.md

Author: typicode

README.md

@@ -89,6 +89,7 @@ Run `json-server --help` for a list of options
 | Sponsors | |
 | :---: | :---: |
 | <a href="https://www.storyblok.com/" target="_blank"><img src="https://github.com/typicode/json-server/assets/5502029/c6b10674-4ada-4616-91b8-59d30046b45a" height="35px"></a> | <a href="https://betterstack.com/" target="_blank"><img src="https://github.com/typicode/json-server/assets/5502029/44679f8f-9671-470d-b77e-26d90b90cbdc" height="35px"></a> |
+| <a href="https://www.route4me.com/"><img src="https://github.com/user-attachments/assets/0df4d9ea-9d01-4ee7-9851-089608409048" height="35px"></a> |