Use V8 FastAPI

[ronag]

https://www.yagiz.co/using-v8-fast-api-in-node-js-core/

V8 Fast API removes a lot of the overhead of calling into C++

[uhop]

Thank you for the reference. Obviously I'll study it to understand if it can be leveraged in the project. If this approach is applicable to this extension, it should be applied in a systemic way — clearly it is not as a singular issue. So I am converting it to a discussion.