Added readme.

README.md

@@ -0,0 +1,18 @@
+# System.Diagnostics.Abstractions
+
+Hello, I see you find yourself here in 2024. That's amazing and you probably shouldn't be here anymore, but we all know what software development is like.
+
+I find myself writing this readme because I just had to do necromancy on a pull request that I missed 2 years ago, about an copypasta mistake I made 8 years ago, in a library that I started 10 years ago. I'm not sure if I should be proud or ashamed of this.
+
+"You probably shouldn't be injecting this" - but I too once did, so if you're stumbling into bugs, I'm sorry, and I've fixed them.
+
+## What's in a name?
+
+When I started this library I borrowed the naming from my other library System.Configuration.Abstractions - the name of which pre-dated .NET Core, and also the general trend of Microsoft publishing `System.Blah.Abstractions` packages. This is funny, because I now can't actually update this library to fix the bug in it, because that prefix is now sensibly and rightly a reserved name.
+
+So:
+
+- For versions before 1.0.9, you can use `System.Diagnostics.Abstractions` - but there's a bug in it, so you probably shouldn't.
+- For versions after 1.1.0, you can use `UnofficialSystem.Diagnostics.Abstractions`
+
+Sorry for the confusion, I will try not be good at naming ahead of time in the future ;)

System.Diagnostics.Abstractions/System.Diagnostics.Abstractions.csproj

@@ -14,6 +14,9 @@
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <AssemblyVersion>1.1.0.0</AssemblyVersion>
         <FileVersion>1.1.0.0</FileVersion>
+        <PackageId>UnofficialSystem.Diagnostics.Abstractions</PackageId>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
     </PropertyGroup>
     <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
     </ItemGroup>  
@@ -26,5 +29,6 @@
     </ItemGroup>
     <ItemGroup>
       <Folder Include="Properties\" />
+      <None Include="..\README.md" Pack="true" PackagePath="\"/>
     </ItemGroup>
 </Project>