Change ASP.NET Core community adapter

[kapi2289]

The current adapter is not currently maintained, and even changes from 2021 are still not uploaded to NuGet.

My library adds some missing key features:

• Validation error handling
• Server-side rendering

Its usage is more similar to the official adapter and it fixes main errors, which were present in the mentioned library:

• Fixed PATCH, PUT, DELETE redirection not working properly
• Fixed cycle reference error when trying to pass models with relations
• Shared data is now only request-scoped, instead of being shared in an application singleton
• Props and shared data are now merged, not separated, just like in the official adapter