Added Scene-scene as empty base scene and toggle function to Change Session-Button

Assets/_Scripts/Utility/ActiveToggle.cs

@@ -0,0 +1,17 @@
+using UnityEngine;
+
+public class ActiveToggle : MonoBehaviour
+{
+    public GameObject gameObject;
+
+    public void ToggleActive()
+    {
+        gameObject.SetActive(!gameObject.activeSelf);
+    }
+
+    public void ToggleActive(GameObject obj)
+    {
+        obj.SetActive(!obj.activeSelf);
+        Debug.Log(obj.ToString() + "Set Active: " + obj.activeSelf);
+    }
+}