added basic

src/main/java/at/ionas999/questioncatalog/App.java

@@ -0,0 +1,23 @@
+package at.ionas999.questioncatalog;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class App extends Application {
+    @Override
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(App.class.getResource("main.fxml"));
+        Scene scene = new Scene(fxmlLoader.load(), 320, 240);
+        stage.setTitle("Hello!");
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+}

src/main/java/module-info.java

@@ -0,0 +1,8 @@
+module at.ionas999.questioncatalog {
+    requires javafx.controls;
+    requires javafx.fxml;
+
+
+    opens at.ionas999.questioncatalog to javafx.fxml;
+    exports at.ionas999.questioncatalog;
+}

src/main/resources/at/ionas999/questioncatalog/main.fxml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.VBox?>
+
+<?import javafx.scene.control.Button?>
+<VBox alignment="CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml">
+
+    <padding>
+        <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
+    </padding>
+
+    <Label fx:id="welcomeText"/>
+    <Button text="Hello!"/>
+</VBox>