add files

packages/Microsoft.Web.WebView2.1.0.961.33/build/Microsoft.Web.WebView2.targets

@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- This build/.targets file is used by managed VS projects including win32
+    apps and UWP apps. -->
+
+  <PropertyGroup>
+    <WebView2ProjectKind>managed</WebView2ProjectKind>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <!-- The managed targets file is under build
+      so the root is one path segment up. -->
+    <NugetRoot>$(MSBuildThisFileDirectory)..\</NugetRoot>
+  </PropertyGroup>
+
+  <!-- Example logging
+  <Target Name="WebView2ManagedEntryLog" BeforeTargets="Build">
+    <Message Text="WebView2 managed .targets file. $(NugetRoot)" Importance="high"/>
+  </Target>
+  -->
+
+  <Import Project="$(NugetRoot)\build\Common.targets"/>
+</Project>