Added importation of aerodromes

simulator/models/flight.py

@@ -132,3 +132,7 @@ class Flight(models.Model):
                 self.equipment.air_time_hours += flight_hours
                 self.equipment.save(update_fields=["cycles", "air_time_hours"])
                 self._stats_updated = True
+
+
+class Route(models.Model):
+    """regulary scheduled flights"""