FireBehavior : add the methode extinguishFire

src/main/java/model/FireBehavior.java

@@ -7,4 +7,5 @@ import java.util.Map;
 
 public interface FireBehavior {
     public List<Position> updateFires(int step, Map<Position, List<Position>> neighbors);
+    void extinguishFire(Position position);
 }