Added MainWindow and MainWindowController javadoc and logger

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/MainWindowController.java

@@ -2,23 +2,41 @@ package ch.zhaw.projekt2.turnierverwaltung.main;
 
 import ch.zhaw.projekt2.turnierverwaltung.FXController;
 import javafx.application.Platform;
-import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 
+import java.util.logging.Logger;
+
+
+/**
+ * Main WindowController Class in charge of the Controller Functions of it
+ * Since not much is directly in the main window only the top bar functionality is represented (language setting and
+ * close option).
+ */
 public class MainWindowController extends FXController {
 
-    @FXML
-    void changeLangToGerman(ActionEvent event) {
+    private static final Logger logger = Logger.getLogger(MainWindowController.class.getCanonicalName());
 
+    /**
+     * Method changes the language Setting to german
+     */
+    @FXML
+    void changeLangToGerman() {
+        logger.fine("language setting changed to german");
     }
 
+    /**
+     * This Method initializes the
+     */
     @FXML
-    void closeApplication(ActionEvent event) {
+    void closeApplication() {
+        logger.fine("");
         Platform.exit();
     }
 
+    /**
+     * There is no content to load
+     */
     @Override
     public void loadContent() {
-
     }
 }