feat(reference): add urp nahida sample project

MVS/NahidaRender/Assets/Scripts/TransformRotator.cs

@@ -0,0 +1,29 @@
+using UnityEngine;
+
+namespace Nahida
+{
+    public class TransformRotator : MonoBehaviour
+    {
+        [SerializeField]
+        private float m_Cycle;
+
+        [SerializeField]
+        private Vector3 m_Axis;
+
+        private Quaternion _rotation;
+
+        private float _startTime;
+
+        private void OnEnable()
+        {
+            _rotation = transform.rotation;
+            _startTime = Time.time;
+        }
+
+        private void Update()
+        {
+            float angle = 360f * (Time.time - _startTime) / m_Cycle;
+            transform.rotation = Quaternion.AngleAxis(angle, m_Axis) * _rotation;
+        }
+    }
+}