Add wix files for swift-inspect.

Author: hjyamauchi

platforms/Windows/swift-inspect.wixproj

@@ -0,0 +1,32 @@
+<Project Sdk="WixToolset.Sdk/4.0.0">
+  <PropertyGroup>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <ProductArchitecture Condition=" '$(ProductArchitecture)' == '' ">amd64</ProductArchitecture>
+    <ProductArchitecture>$(ProductArchitecture)</ProductArchitecture>
+
+    <ProductVersion Condition=" '$(ProductVersion)' == '' ">0.0.0</ProductVersion>
+    <ProductVersion>$(ProductVersion)</ProductVersion>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <OutputPath>build\</OutputPath>
+    <IntermediateOutputPath>build\obj\</IntermediateOutputPath>
+  </PropertyGroup>
+
+  <!-- <Import Project="WiXCodeSigning.targets" /> -->
+
+  <PropertyGroup>
+    <DefineConstants>ProductVersion=$(ProductVersion);ProductArchitecture=$(ProductArchitecture);SWIFT_INSPECT_BUILD=$(SWIFT_INSPECT_BUILD)</DefineConstants>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="WixToolset.UI.wixext" Version="4.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="swift-inspect.wxs" />
+  </ItemGroup>
+</Project>

platforms/Windows/swift-inspect.wxs

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+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
+  <Package
+      Language="1033"
+      Manufacturer="swift.org"
+      Name="swift-inspect"
+      UpgradeCode="269fd791-fb3d-4311-96a1-cb98243ee857"
+      Version="$(var.ProductVersion)"
+      Scope="perMachine">
+    <SummaryInformation Description="swift-inspect" />
+
+    <!-- NOTE(compnerd) use pre-3.0 schema for better compatibility. -->
+    <Media Id="1" Cabinet="SwiftFormat.cab" EmbedCab="yes" />
+
+    <!-- WindowsVolume is not a StandardDirectory value, but rather a standard property. See https://github.com/wixtoolset/issues/issues/7314 -->
+    <SetDirectory Id="WINDOWSVOLUME" Value="[WindowsVolume]" />
+
+    <Directory ComponentGuidGenerationSeed="4541e7ac-4bf7-47f5-adb2-d3f63006cdcb" Id="WINDOWSVOLUME">
+      <Directory Id="INSTALLDIR">
+        <Directory Id="Library" Name="Library">
+          <Directory Id="Developer" Name="Developer">
+            <Directory Id="Tools" Name="Tools">
+              <Component Id="swift_inspect.exe">
+                <File Id="swift_inspect.exe" Source="$(var.SWIFT_INSPECT_BUILD)\swift-inspect.exe" Checksum="yes" />
+              </Component>
+            </Directory>
+          </Directory>
+        </Directory>
+
+        <Component Id="EnvironmentVariables" Guid="61ddbfd1-4051-4964-8a9b-fd0299a358f3">
+          <Environment Id="Path" Action="set" Name="Path" Part="last" Permanent="no" System="yes" Value="[INSTALLDIR]Library\Developer\Tools" />
+        </Component>
+      </Directory>
+    </Directory>
+
+    <Feature Id="SwiftInspect" AllowAbsent="no" AllowAdvertise="yes" ConfigurableDirectory="INSTALLDIR" Description="SwiftInspect" Level="1" Title="SwiftInspect">
+      <ComponentRef Id="swift_inspect.exe" />
+      <ComponentRef Id="EnvironmentVariables" />
+    </Feature>
+
+    <UI>
+      <ui:WixUI Id="WixUI_InstallDir" />
+      <Publish Dialog="WelcomeDlg" Control="Next" Event="NewDialog" Value="InstallDirDlg" Order="2" />
+      <Publish Dialog="InstallDirDlg" Control="Back" Event="NewDialog" Value="WelcomeDlg" Order="2" />
+    </UI>
+    <Property Id="WIXUI_INSTALLDIR" Value="INSTALLDIR"></Property>
+
+  </Package>
+</Wix>