Add simple example file

examples/SimpleOvertaker.osn

@@ -0,0 +1,22 @@
+// Simple Overtaker Scenario
+
+Scenario SimpleOvertaker:
+
+  Act Overtaking:
+
+    @init:
+      CreateVehicle(Ego,EgoProto,xyz=0m|0m|0m,speed=80km/h)
+      CreateVehicle(Overtaker,OvertakerProto,xyz=0m|Ego.y-30m|0m,speed=100km/h)
+
+    @Distance(Ego,Overtaker) <= 30m % OnceOnly:
+      LaneChange(Overtaker,lane=-1,model=Sinusoidal(time=5s))
+
+    @DistanceAfterPassing(Ego,Overtaker) >= 5m % OnceOnly:
+      LaneChange(Overtaker,lane=+1,model=Sinusoidal(time=5s))
+
+  Prototypes:
+    EgoProto: Vehicle(geometry="mycar.obj",color="blue")
+    OvertakerProto: Vehicle(geometry="traffic.obj",color="red")
+
+  Resources:
+    Map: OpenDrive("OpenDriveMap.xodr")