docs(dev): info on generated models

docs/developer-guide.md

@@ -90,6 +90,8 @@ To generate the API client models run
 make api
 ```
 
+Find the generated models in the packages `aura_steering_api` and `aura_tank_api`.
+
 ## Scheduler
 
 Scheduling is split into multiple phases. Below you see a timeline with one timeslot planned at a certain