System.Text.Json serialization compile-time generator

In order to have parity with C# https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-source-generator/ it would be nice to have the same compile-time serialization logic generation for F#.

**Describe the solution you'd like**

Maybe a type provider could help?

**Describe alternatives you've considered**

Use separate C# project for such generators invocation