Added all the needed scenes and made Scene1 Play button functional

Jump Game/Assets/Scripts/Menu/ChangeScene.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class ChangeScene : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        StartCoroutine(ChangeSceneToGame());
+    }
+
+    private IEnumerator ChangeSceneToGame()
+    {
+        yield return new WaitForSeconds(5);
+        SceneManager.LoadScene(3);
+    }
+}