mise en place d'icones

src/main/java/controller/Controller.java

src/main/java/model/EmptySquare.java

src/main/java/model/Entity.java

src/main/java/model/Road.java

src/main/java/model/firefighterscenario/AirTanker.java

src/main/java/model/firefighterscenario/Cloud.java

src/main/java/model/firefighterscenario/Fire.java

src/main/java/model/firefighterscenario/FireFighter.java

...n/java/model/firefighterscenario/FireFighterScenario.java

.../java/model/firefighterscenario/MotorizedFireFighter.java

src/main/java/model/firefighterscenario/Mountain.java

src/main/java/model/firefighterscenario/Road.java

src/main/java/model/firefighterscenario/Rockery.java

src/main/resources/view/icons/avion.png

src/main/resources/view/icons/camion.png

src/main/resources/view/icons/flamme.png

src/main/resources/view/icons/img.png

src/main/resources/view/icons/montagne.png

src/main/resources/view/icons/nuage.png

src/main/resources/view/icons/rochers.png