Add install.ps1 for source generators/analyzers (#625)

Author: twsouthwick

samples/Directory.Build.props

@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <!-- When consuming the NuGet package, this is automatically added, but we must add it manually -->
-  <Import Project="$(MSBuildThisFileDirectory)../src/Microsoft.AspNetCore.SystemWebAdapters/Build/Microsoft.AspNetCore.SystemWebAdapters.props"/>
+  <Import Project="$(MSBuildThisFileDirectory)../src/Microsoft.AspNetCore.SystemWebAdapters/build/Microsoft.AspNetCore.SystemWebAdapters.props"/>
 
   <PropertyGroup>
     <!-- This allows the first build to be correct without any warnings on a new clone of the repo -->

samples/Directory.Build.targets

@@ -35,6 +35,6 @@
   </Target>
 
   <!-- When consuming the NuGet package, this is automatically added, but we must add it manually -->
-  <Import Project="$(MSBuildThisFileDirectory)../src/Microsoft.AspNetCore.SystemWebAdapters/Build/Microsoft.AspNetCore.SystemWebAdapters.targets"/>
+  <Import Project="$(MSBuildThisFileDirectory)../src/Microsoft.AspNetCore.SystemWebAdapters/build/Microsoft.AspNetCore.SystemWebAdapters.targets"/>
   <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.targets', '$(MSBuildThisFileDirectory)../'))" />
 </Project>

src/Microsoft.AspNetCore.SystemWebAdapters/Microsoft.AspNetCore.SystemWebAdapters.csproj

@@ -73,7 +73,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="Build\*" Pack="true" PackagePath="Build\" />
+    <None Include="build\*" Pack="true" PackagePath="build\" />
+    <None Include="tools\*" Pack="true" PackagePath="tools\" />
   </ItemGroup>
 
   <Import Project="Analyzers.targets" />

src/Microsoft.AspNetCore.SystemWebAdapters/Build/Microsoft.AspNetCore.SystemWebAdapters.props renamed to src/Microsoft.AspNetCore.SystemWebAdapters/build/Microsoft.AspNetCore.SystemWebAdapters.props

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <Import Project="$(SolutionRootDirectory)src/Microsoft.AspNetCore.SystemWebAdapters/Build/Microsoft.AspNetCore.SystemWebAdapters.props" />
+  <Import Project="$(SolutionRootDirectory)src/Microsoft.AspNetCore.SystemWebAdapters/build/Microsoft.AspNetCore.SystemWebAdapters.props" />
 
   <PropertyGroup>
     <TargetFrameworks>net8.0</TargetFrameworks>
@@ -17,6 +17,6 @@
     <PackageReference Include="jQuery" CopyContent="true" />
   </ItemGroup>
 
-  <Import Project="$(SolutionRootDirectory)src/Microsoft.AspNetCore.SystemWebAdapters/Build/Microsoft.AspNetCore.SystemWebAdapters.targets" />
+  <Import Project="$(SolutionRootDirectory)src/Microsoft.AspNetCore.SystemWebAdapters/build/Microsoft.AspNetCore.SystemWebAdapters.targets" />
 
 </Project>