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/App.xaml.h

@@ -0,0 +1,35 @@
+//*********************************************************
+//
+// 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.
+//
+//*********************************************************
+
+//
+// App.xaml.h
+// Declaration of the App.xaml class.
+//
+
+#pragma once
+
+#include "pch.h"
+#include "App.g.h"
+#include "MainPage.g.h"
+
+namespace SDKSample
+{
+    ref class App
+    {
+    internal:
+        App();
+        virtual void OnSuspending(Platform::Object^ sender, Windows::ApplicationModel::SuspendingEventArgs^ pArgs);
+        Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ LaunchArgs;
+    protected:
+        virtual void OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ pArgs) override;
+    private:
+        Windows::UI::Xaml::Controls::Frame^ rootFrame;
+    };
+}