Expose `v8::String::NewExternalOneByte` and `v8::String::NewExternalTwoByte` to Node-API

What is the problem this feature will solve?

Provide a faster way to create JavaScript string from static str

What is the feature you are proposing to solve the problem?

v8::String::NewExternalOneByte and v8::String::NewExternalTwoByte

What alternatives have you considered?

No response