Progrès ajout Launcher

Ajout de JavaFX.fxml aux dépendances, aménagement de l'architecture du
launcher pour (launcher étend maintenant Application, Main lance
correctement le Launcher)

src/launcher/Launcher.java

@@ -9,11 +9,20 @@
 
 package launcher;
 
-public class Launcher {
+import javafx.application.Application;
+import javafx.scene.Group;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.scene.shape.Circle;
+import javafx.stage.Stage;
+import javafx.fxml.*;
 
-	public void launch() throws Exception {
-		
-		System.out.println("Hello world!");
+public class Launcher extends Application {
+	
+	Parent root = FXMLLoader.load("ui/main.fxml");
+	Scene main = new Scene()
+
+	public void start(Stage primaryStage) throws Exception {
 		
 	}