Package cppwinrt.exe for x86, x64, and arm64 into the NuGet package (#22)

Author: YexuanXiao

build_nuget.cmd

@@ -13,6 +13,10 @@ call msbuild /m /p:Configuration=Release,Platform=x86,CppWinRTBuildVersion=%targ
 call msbuild /m /p:Configuration=Release,Platform=x64,CppWinRTBuildVersion=%target_version% cppwinrt.slnx /t:fast_fwd
 call msbuild /m /p:Configuration=Release,Platform=arm64,CppWinRTBuildVersion=%target_version% cppwinrt.slnx /t:fast_fwd
 
+rem Build cppwinrt.exe for x86, x64 and arm64
 call msbuild /m /p:Configuration=Release,Platform=x86,CppWinRTBuildVersion=%target_version% cppwinrt.slnx /t:cppwinrt
+call msbuild /m /p:Configuration=Release,Platform=x64,CppWinRTBuildVersion=%target_version% cppwinrt.slnx /t:cppwinrt
+call msbuild /m /p:Configuration=Release,Platform=arm64,CppWinRTBuildVersion=%target_version% cppwinrt.slnx /t:cppwinrt
 
-nuget pack nuget\YexuanXiao.CppWinRTPlus.nuspec -Properties target_version=%target_version%;cppwinrt_exe=%cd%\_build\x86\Release\cppwinrt.exe;cppwinrt_fast_fwd_x86=%cd%\_build\x86\Release\cppwinrt_fast_forwarder.lib;cppwinrt_fast_fwd_x64=%cd%\_build\x64\Release\cppwinrt_fast_forwarder.lib;cppwinrt_fast_fwd_arm64=%cd%\_build\arm64\Release\cppwinrt_fast_forwarder.lib 
+rem Build nuget
+nuget pack nuget\YexuanXiao.CppWinRTPlus.nuspec -Properties target_version=%target_version%;cppwinrt_exe_x86=%cd%\_build\x86\Release\cppwinrt.exe;cppwinrt_exe_amd64=%cd%\_build\x64\Release\cppwinrt.exe;cppwinrt_exe_arm64=%cd%\_build\arm64\Release\cppwinrt.exe;cppwinrt_fast_fwd_x86=%cd%\_build\x86\Release\cppwinrt_fast_forwarder.lib;cppwinrt_fast_fwd_x64=%cd%\_build\x64\Release\cppwinrt_fast_forwarder.lib;cppwinrt_fast_fwd_arm64=%cd%\_build\arm64\Release\cppwinrt_fast_forwarder.lib

nuget/YexuanXiao.CppWinRTPlus.nuspec

@@ -18,7 +18,9 @@
   </metadata>
   <files>
     <file src="..\LICENSE"/>
-    <file src="$cppwinrt_exe$" target="bin"/>
+    <file src="$cppwinrt_exe_arm64$" target="bin\arm64"/>
+    <file src="$cppwinrt_exe_amd64$" target="bin\amd64"/>
+    <file src="$cppwinrt_exe_x86$" target="bin\x86"/>
     <file src="$cppwinrt_fast_fwd_x86$" target="build\native\lib\win32"/>
     <file src="$cppwinrt_fast_fwd_x64$" target="build\native\lib\x64"/>
     <file src="$cppwinrt_fast_fwd_arm64$" target="build\native\lib\arm64"/>

nuget/YexuanXiao.CppWinRTPlus.targets

@@ -23,7 +23,7 @@ Copyright (C) Microsoft Corporation. All rights reserved.
         <CppWinRTConfigFile Condition="'$(CppWinRTConfigFile)' == '' and '$(SolutionDir)' != '' and Exists('$(SolutionDir)CppWinRT.config')">$([System.IO.Path]::GetFullPath('$(SolutionDir)CppWinRT.config'))</CppWinRTConfigFile>
         <CppWinRTConfigFile Condition="'$(CppWinRTConfigFile)' == '' and Exists('$(MSBuildProjectDirectory)\\CppWinRT.config')">$([System.IO.Path]::GetFullPath('$(MSBuildProjectDirectory)\\CppWinRT.config'))</CppWinRTConfigFile>
         <CppWinRTCommandConfigFile Condition="'$(CppWinRTConfigFile)' != ''">-config &quot;$(CppWinRTConfigFile)&quot;</CppWinRTCommandConfigFile>
-        <CppWinRTPath Condition="'$(CppWinRTPackage)' == 'true' and '$(CppWinRTPath)'==''">"$(CppWinRTPackageDir)bin\"</CppWinRTPath>
+        <CppWinRTPath Condition="'$(CppWinRTPackage)' == 'true' and '$(CppWinRTPath)'==''">"$(CppWinRTPackageDir)bin\$(ProcessorArchitecture)\"</CppWinRTPath>
         <CppWinRTPath Condition="'$(CppWinRTPackage)' != 'true' and '$(CppWinRTPath)'==''">"$(CppWinRTPackageDir)"</CppWinRTPath>
         <!-- By default enable C++/WinRT to include target platform winmds if we didn't override sdk references and the C++ Project system isn't already adding them -->
         <!-- _PrepareForReferenceResolution adds the references if TargetPlatformIdentifier is UAP -->