chore: add icon for NuGet packages

[soi013]

It would be better to have an icon when searching for nuget.

Icon url was copied from "System.IO.Abstractions.Analyzers.csproj".

https://github.com/System-IO-Abstractions/System.IO.Abstractions.Analyzers/blob/develop/System.IO.Abstractions.Analyzers/System.IO.Abstractions.Analyzers.csproj

[soi013]

OK. I will change it in two days after tomorrow.

[soi013]

Can I add the icon in the solution folder?
ex) /System.IO.Abstractions/System.IO.Abstractions_Icon_256x256.png

https://avatars1.githubusercontent.com/u/40829877

Is this logo image copyrighted by the System.IO.Abstractions project?

Because, PackageIcon needs folder-based source.

https://docs.microsoft.com/en-us/nuget/reference/msbuild-targets#packageicon

Visual Studio supports PackageIcon for packages coming from a folder-based source.

[fgreinacher]

Thanks for driving this forward!

Can I add the icon in the solution folder?
ex) /System.IO.Abstractions/System.IO.Abstractions_Icon_256x256.png

Yes, please put it to ./images/icon_256x256.png.

Is this logo image copyrighted by the System.IO.Abstractions project?

Yes, it's from the Arabia IO pack that is free for personal use (see #324).

[fgreinacher]

Thanks a lot 👍

[github-actions]

This is addressed in release v13.2.43.