Wes xx mediapipe integration

Packages/com.github.homuler.mediapipe/Runtime/Scripts/Core/SharedPtrHandle.cs

@@ -0,0 +1,20 @@
+// Copyright (c) 2021 homuler
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+using System;
+
+namespace Mediapipe
+{
+  public abstract class SharedPtrHandle : MpResourceHandle
+  {
+    protected SharedPtrHandle(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
+
+    /// <returns>The owning pointer</returns>
+    public abstract IntPtr Get();
+
+    /// <summary>Release the owning pointer</summary>
+    public abstract void Reset();
+  }
+}