新增volume更新器

Assets/Scripts/Volume/Updatement/VolumeFloatUpdatement.cs

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+using Convention;
+using Demo.Attr;
+using System.Collections;
+using UnityEngine;
+
+namespace Demo.Game
+{
+    [Scriptable]
+    public class VolumeFloatUpdatement : BaseVolumeUpdatement<float>
+    {
+        public static VolumeFloatUpdatement Make()
+        {
+            return new GameObject().AddComponent<VolumeFloatUpdatement>();
+        }
+
+        protected override float Lerp(float begin, float end, float t)
+        {
+            return Mathf.Lerp(begin, end, t);
+        }
+    }
+}