[Ajout] Scenario du Pierre Feuille Ciseaux

src/main/java/controller/Controller.java

src/main/java/model/Board.java

src/main/java/model/EntityNotFoundException.java

src/main/java/model/Scenario.java

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

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

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

src/main/java/model/rockpapercisor/Cisor.java

src/main/java/model/rockpapercisor/Paper.java

src/main/java/model/rockpapercisor/Rock.java

...ain/java/model/rockpapercisor/RockPaperCisorScenario.java

src/main/java/model/virus/Patient.java

src/main/java/util/PositionUtil.java