add addScenes function (#179)

add addScenes function

Author: Yeffian

src/main/java/tech/fastj/systems/control/SceneManager.java

@@ -162,6 +162,29 @@ public void addScene(Scene scene) {
         scenes.put(scene.getSceneName(), scene);
     }
 
+    /**
+     * Adds all the specified scenes into the logic manager.
+     *
+     * @param scenes All the Scene objects to be added.
+     */
+    public void addScenes(Scene... scenes) {
+        for (Scene scene : scenes) {
+            addScene(scene);
+        }
+    }
+
+    /**
+     * Adds all the specified scenes into the logic manager.
+     *
+     * @param scenes The list of Scene objects to be added.
+     */
+    public void addScenes(List<Scene> scenes) {
+        for (Scene scene : scenes) {
+            addScene(scene);
+        }
+    }
+
+
     /**
      * Removes the specified scene from the logic manager.
      *