Merge pull request #36 from jnm2/update_readme

Update readme

README.md

@@ -36,22 +36,35 @@ IL weaver for adding nullability annotations to .NET Framework and .NET Standard
 
 ```xml
 <PropertyGroup>
-  <!-- Specifies the version of this rewriter to use -->
-  <TunnelVisionLabsReferenceAssemblyAnnotatorVersion>1.0.0-alpha.50</TunnelVisionLabsReferenceAssemblyAnnotatorVersion>
-  <!-- Specifies the version of Microsoft.NETCore.App.Ref to obtain nullability information from -->
-  <AnnotatedReferenceAssemblyVersion>3.0.0-preview9-19423-09</AnnotatedReferenceAssemblyVersion>
+  <!-- Specifies the version of this rewriter to use. -->
+  <TunnelVisionLabsReferenceAssemblyAnnotatorVersion>1.0.0-alpha.77</TunnelVisionLabsReferenceAssemblyAnnotatorVersion>
+
+  <!-- Specifies the version of Microsoft.NETCore.App.Ref to obtain nullability information from. -->
+  <AnnotatedReferenceAssemblyVersion>3.0.0</AnnotatedReferenceAssemblyVersion>
+
   <!-- Includes the nullable attributes from dotnet/coreclr as source code with 'internal' accessibility. Set this to
        false if the attributes are included from another source and/or are not needed. -->
   <GenerateNullableAttributes>true</GenerateNullableAttributes>
 </PropertyGroup>
 
 <ItemGroup>
-  <!-- Include the necessary packages -->
   <PackageReference Include="TunnelVisionLabs.ReferenceAssemblyAnnotator" Version="$(TunnelVisionLabsReferenceAssemblyAnnotatorVersion)" PrivateAssets="all" />
   <PackageDownload Include="Microsoft.NETCore.App.Ref" Version="[$(AnnotatedReferenceAssemblyVersion)]" />
 </ItemGroup>
 ```
 
+Minimal:
+
+```xml
+<PropertyGroup>
+  <AnnotatedReferenceAssemblyVersion>3.0.0</AnnotatedReferenceAssemblyVersion>
+</PropertyGroup>
+<ItemGroup>
+  <PackageReference Include="TunnelVisionLabs.ReferenceAssemblyAnnotator" Version="1.0.0-alpha.77" PrivateAssets="all" />
+  <PackageDownload Include="Microsoft.NETCore.App.Ref" Version="[$(AnnotatedReferenceAssemblyVersion)]" />
+</ItemGroup>
+```
+
 ### Configuration reference
 
 * MSBuild properties