feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/samples/winrt/ImageManipulations/Constants.h

@@ -0,0 +1,45 @@
+//*********************************************************
+//
+// Copyright (c) Microsoft. All rights reserved.
+// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
+// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
+// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
+//
+//*********************************************************
+
+#pragma once
+
+#include <collection.h>
+namespace SDKSample
+{
+    public value struct Scenario
+    {
+        Platform::String^ Title;
+        Platform::String^ ClassName;
+    };
+
+    partial ref class MainPage
+    {
+    public:
+        static property Platform::String^ FEATURE_NAME
+        {
+            Platform::String^ get()
+            {
+                return ref new Platform::String(L"OpenCV Image Manipulations sample");
+            }
+        }
+
+        static property Platform::Array<Scenario>^ scenarios
+        {
+            Platform::Array<Scenario>^ get()
+            {
+                return scenariosInner;
+            }
+        }
+    private:
+        static Platform::Array<Scenario>^ scenariosInner;
+    };
+
+
+}