feat(backoffice): updated swagger documentation

docs/ecolyo-agent/technical/api_routes.md

 # API Routes
 
-:warning: WIP :warning:
-
-The different routes exposed by the backend are described by Swagger documentation.
-Once the api deployed, the documentation is accessible at https://HOSTNAME/swagger/index.html
+The different routes exposed by the backend are described by Swagger documentation in local env. The documentation is NOT exposed in REC or PROD.
+Once the client is deployed, the documentation is accessible at <https://localhost/doc/>