Make HomeButton static

Closes #23

culminating-mastermind/app/src/main/java/mastermind/gui/panels/HomeButton.java

@@ -3,25 +3,25 @@
 import javax.swing.*;
 import mastermind.gui.scenes.GameModeSelector;
 import mastermind.gui.scenes.Scene;
+
 public class HomeButton {
-    final private JButton homeButton;
-    final private JPanel buttonPanel = new JPanel();
+    private final static JButton homeButton;
+    private final static JPanel buttonPanel;
 
-    public HomeButton() {
+    static {
         homeButton = new JButton("Home");
+        buttonPanel = new JPanel();
         buttonPanel.add(homeButton);
     }
 
-    public void registerHomeHandlers() {
-        homeButton.addActionListener( event -> {
+    public static void registerHomeHandlers() {
+        homeButton.addActionListener(event -> {
             final JFrame gameModeSelector = Scene.createDefaultScene();
             new GameModeSelector(gameModeSelector);
         });
     }
 
-    public void drawHomeButton(final JFrame frame) {
+    public static void drawHomeButton(final JFrame frame) {
         frame.add(buttonPanel);
     }
-
-
 }