Add main menu scene, setup framework for orientation switching

Assets/Scripts/Settings/SceneOrientationConfig.cs

@@ -0,0 +1,29 @@
+using UnityEngine;
+using System.Collections.Generic;
+
+namespace Settings
+{
+    [CreateAssetMenu(fileName = "SceneOrientationConfig", menuName = "Settings/Scene Orientation Config")]
+    public class SceneOrientationConfig : ScriptableObject
+    {
+        [System.Serializable]
+        public class SceneOrientationEntry
+        {
+            public string sceneName;
+            public ScreenOrientationRequirement requiredOrientation;
+        }
+
+        public List<SceneOrientationEntry> sceneOrientations = new List<SceneOrientationEntry>();
+
+        public ScreenOrientationRequirement GetRequirementForScene(string sceneName)
+        {
+            foreach (var entry in sceneOrientations)
+            {
+                if (entry.sceneName == sceneName)
+                    return entry.requiredOrientation;
+            }
+            // Default to Portrait if not found
+            return ScreenOrientationRequirement.Portrait;
+        }
+    }
+}