.NET Standard 20 Support

[OfflinePing]

Is your feature request related to a problem? Please describe.
I am using .NET Framework wich only works on Windows and Surreal.NET isn't working on it.

Describe the solution you'd like
I would love to see .NET Standard 20 Implementation / Support!

Additional context
Thank you for doing this in generell <3

[ProphetLamb]

Alright, I did some looking into it, and netstandard2.0 cannot be supported easily. A lot of API related to Spans changed, which the package makes extensive use of. .NET Framework 4.8 should be possible to support tho