TargetFollowerRotation

    public class TargetFollowerRotation : MonoBehaviour
    {
        [Header("General settings")]
        [SerializeField]
        private string targetTag = "Player";
        [SerializeField]
        private Transform targetToFollow;
        public Transform TargetToFollow
        {
            get => targetToFollow;
            set => targetToFollow = value;
        }

        [Header("Rotation settings")]
        [SerializeField]
        private Vector3 rotationOffset;
        public Vector3 RotationOffset
        {
            get => rotationOffset;
            set => rotationOffset = value;
        }

        [SerializeField]
        private bool smoothRotation = true;
        [SerializeField]
        private float speedRotation = 1f;

        private Vector3 directionToTarget;
        private Quaternion targetRotation;
        private new Rigidbody rigidbody;

        private void Awake()
        {
            if (targetToFollow == null)
            {
                GameObject foundObject = GameObject.FindGameObjectWithTag(targetTag);

                if (foundObject != null)
                    targetToFollow = foundObject.transform;
            }

            rigidbody = GetComponent<Rigidbody>();
        }

        private void LateUpdate()
        {
            Do();
        }

        private void Do()
        {
            if (targetToFollow == null || speedRotation == 0) return;

            directionToTarget = (targetToFollow.position - rigidbody.position).normalized;

            targetRotation = Quaternion.LookRotation(directionToTarget, Vector3.up) * Quaternion.Euler(rotationOffset);

            if (smoothRotation)
                targetRotation = Quaternion.RotateTowards(rigidbody.rotation, targetRotation, speedRotation);

            rigidbody.MoveRotation(targetRotation);
        }
    }