repo: init

Only basic things for now, to make sure the JavaFX setup works.

app/src/main/java/org/vibecoders/moongazer/App.java

@@ -0,0 +1,25 @@
+package org.vibecoders.moongazer;
+
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.control.Label;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+
+public class App extends Application {
+
+    @Override
+    public void start(Stage stage) {
+        String javaVersion = System.getProperty("java.version");
+        String javafxVersion = System.getProperty("javafx.version");
+        Label l = new Label("Hello, JavaFX " + javafxVersion + ", running on Java " + javaVersion + ".");
+        Scene scene = new Scene(new StackPane(l), 640, 480);
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+
+}