Added controller abstraction for mvc-pattern.

src/main/java/controller/src/Controller.java

@@ -0,0 +1,13 @@
+/**
+ * @author Aaron Moser
+ * @date 01.12.2023
+ */
+package controller.src;
+
+import java.util.Queue;
+
+public interface Controller {
+    public void start();
+    public void setControllerToViewQueue(Queue<ControllerToViewData> queueControllerToView);
+    public void setViewToControllerQueue(Queue<ViewToControllerData> queueViewToController);
+}

src/main/java/controller/src/ControllerThread.java

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+/**
+ * @author Aaron Moser
+ * @date 01.12.2023
+ */
+package controller.src;
+
+import java.util.Queue;
+
+import connect.src.ClientThread;
+import gui.src.View;
+import logger.src.MessageLogger;
+import model.src.Model;
+
+public class ControllerThread extends Thread implements Controller {
+    private static final String className = "ControllerThread";
+
+    private View view;
+    private Model model;
+
+    private Queue<ControllerToViewData> controllerToViewQueue;
+    private Queue<ViewToControllerData> viewToControllerQueue;
+
+    public ControllerThread(View view, Model model) {
+         this.view = view;
+         this.model = model;
+    }
+
+    public void run() {
+        ClientThread clientThread = new ClientThread();
+        MessageLogger.printMessage(className, "Client thread was started.");
+        clientThread.start();
+        MessageLogger.printMessage(className, "Exit controller thread.");
+    }
+
+    public void setControllerToViewQueue(Queue<ControllerToViewData> controllerToViewQueue) {
+        this.controllerToViewQueue = controllerToViewQueue;
+    }
+
+    public void setViewToControllerQueue(Queue<ViewToControllerData> viewToControllerQueue) {
+        this.viewToControllerQueue = viewToControllerQueue;
+    }
+}

src/main/java/controller/src/ControllerToViewData.java

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+/**
+ * @author Aaron Moser
+ * @date 01.12.2023
+ */
+package controller.src;
+
+public class ControllerToViewData {
+    
+}