rabidus-test/Assets/InitializeController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class InitializeController : MonoBehaviour
{
    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
    public static void Init()
    {
        GameObject main = GameObject.Instantiate(Resources.Load("Initialize")) as GameObject;
        GameObject.DontDestroyOnLoad(main);
        Debug.Log("Initialize ");
    }
}