add Card Controller

src/main/java/de/hsfulda/onses/controllers/CardController.java

@@ -0,0 +1,17 @@
+package de.hsfulda.onses.controllers;
+
+import de.hsfulda.onses.Main;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+
+import java.io.IOException;
+import java.util.Objects;
+
+public class CardController implements Controller {
+    @Override
+    public Parent render() throws IOException {
+        final Parent parent = FXMLLoader.load(Objects.requireNonNull(Main.class.getResource("views/card.fxml")));
+
+        return parent;
+    }
+}

src/main/resources/de/hsfulda/onses/views/card.fxml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import java.util.*?>
+<?import javafx.scene.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<AnchorPane xmlns="http://javafx.com/javafx"
+            xmlns:fx="http://javafx.com/fxml"
+            prefHeight="400.0" prefWidth="600.0">
+
+</AnchorPane>