.NET Core function invocation context

Invocation context is an object that can be optionally accepted by the request handler if the YcFunction interface model is used. It is a Yandex.Cloud.Functions.Context-type object that provides properties to afford more information about the C# function version:

• FunctionId: Returns the string ID of the function.
• FunctionVersion: Returns the string ID of the function version.
• MemoryLimitInMB: Returns the amount of memory specified when the version was created, MB.
• RequestId: Returns the request ID.
• TokenJson: Returns the parameters for authentication in the Yandex Cloud API.