Added SnakeGameController and OptionsScreenController

src/main/java/org/example/OptionsScreen/OptionsScreenController.java

+package org.example.OptionsScreen;
+
+import javafx.event.ActionEvent;
+import org.example.StartScreen.StartScreen;
+
+public class OptionsScreenController {
+
+    public void openOptions(ActionEvent actionEvent) {
+        StartScreen.changeScene("/fxml/SnakeGame.fxml", "/styles/styles.css");
+
+    }
+}

src/main/java/org/example/SnakeGame/SnakeGameController.java

+package org.example.SnakeGame;
+
+public class SnakeGameController {
+}