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/pch.h

@@ -0,0 +1,23 @@
+//*********************************************************
+//
+// 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.
+//
+//*********************************************************
+
+//
+// pch.h
+// Header for standard system include files.
+//
+
+#pragma once
+
+#include <collection.h>
+#include <ppltasks.h>
+#include <agile.h>
+#include "Common\LayoutAwarePage.h"
+#include "Common\SuspensionManager.h"
+#include "App.xaml.h"