feat: 添加PoseTransformHandler接口 提供结欢过滤方法的功能

添加直接返回和平均过滤两种过滤方法

Assets/Utils/PoseTransformHandlers/NormalHandler.cs

@@ -0,0 +1,20 @@
+using Models;
+using UnityEngine;
+
+namespace Utils.PoseTransformHandlers
+{
+    public class NormalHandler : IPoseTransformHandler
+    {
+        private Vector3 _result;
+        
+        public void ReceivePoseLandmark(PoseLandmark landmark)
+        {
+            _result = new Vector3(landmark.X, landmark.Y, landmark.Z);
+        }
+
+        public Vector3 GetResultPosition()
+        {
+            return _result;
+        }
+    }
+}