Ajout de l'infection Virus-Patient et Patient-Patient

src/main/java/app/SimulatorApplication.java

src/main/java/controller/Controller.java

src/main/java/model/Scenario.java

src/main/java/model/doctorviruspatient/Patient.java

src/main/java/model/doctorviruspatient/Virus.java

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

src/main/java/model/virus/Doctor.java

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

src/main/java/model/virus/Virus.java

src/main/java/util/Matrix.java

src/main/java/util/PathGenerator.java