Centralize the game object pivot in unity

GetCenterBounds.cs

using Sirenix.OdinInspector; 
using UnityEngine;

namespace maphatar.civsim
{
    public class GetCenterBounds : MonoBehaviour
    {
        [SerializeField, ReadOnly]
        Vector3 center;

        [SerializeField]
        GameObject reference;
        

        [Button]
        public void ComputeBoundsAndCentralized()
        { 
            center = reference.transform.TransformPoint(reference.GetComponent<BoxCollider>().center);
            var obj = new GameObject();
            obj.transform.position = center; 
            transform.SetParent(obj.transform);

            obj.name = name + " (container)";
        } 

        private void OnDrawGizmosSelected()
        {
            Gizmos.color = Color.yellow;
            Gizmos.DrawSphere(center,1);
        }

    }
}