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/opencv.props

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros">
+    <OpenCV_Bin>$(OPENCV_WINRT_INSTALL_DIR)\WS\8.1\$(PlatformTarget)\$(PlatformTarget)\vc12\bin\</OpenCV_Bin>
+    <OpenCV_Lib>$(OPENCV_WINRT_INSTALL_DIR)\WS\8.1\$(PlatformTarget)\$(PlatformTarget)\vc12\lib\</OpenCV_Lib>
+    <OpenCV_Include>$(OPENCV_WINRT_INSTALL_DIR)\WS\8.1\$(PlatformTarget)\include\</OpenCV_Include>
+    <!--debug suffix for OpenCV dlls and libs -->
+    <DebugSuffix Condition="'$(Configuration)'=='Debug'">d</DebugSuffix>
+    <DebugSuffix Condition="'$(Configuration)'!='Debug'"></DebugSuffix>
+  </PropertyGroup>
+  <ItemGroup>
+    <!--Add required OpenCV dlls here-->
+    <None Include="$(OpenCV_Bin)opencv_core300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+    <None Include="$(OpenCV_Bin)opencv_imgproc300$(DebugSuffix).dll">
+      <DeploymentContent>true</DeploymentContent>
+    </None>
+  </ItemGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(OpenCV_Include);$(ProjectDir);$(GeneratedFilesDir);$(IntDir);%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <!--Add required OpenCV libs here-->
+      <AdditionalDependencies>opencv_core300$(DebugSuffix).lib;opencv_imgproc300$(DebugSuffix).lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(OpenCV_Lib);%(AdditionalLibraryDirectories);</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+</Project>