pkg: publish nuget package to nuget.org

[iamazeem]

Update CI to publish nuget package to nuget.org using trusted publishing.
Update package spec if needed.

[iamazeem]

@liquidaty: Please create an account on nuget.org (if doesn't have already).
Configure it for the trusted publishing as mentioned here:
https://learn.microsoft.com/en-us/nuget/nuget-org/trusted-publishing

• Policy name: zsv
• Package Owner: Liquidaty
• Repository Owner: liquidaty
• Repository: zsv
• Workflow File: ci.yml

LMK when it's done.
I'll update the package and CI accordingly. Thanks!