Run with system node

[tjx666]

Is your feature request related to a problem? Please describe.

Like ESLint extension provide setting: "eslint.runtime": "node",, more details ref: microsoft/vscode-eslint#1233

Describe the solution you'd like

Provide setting prettier.runtime, and support pass node to auto detect system node path.

[izaakschroeder]

@tjx666 I have opened #3061 if you want to try testing out that branch. No promises, but it's a start. My first time mucking about in this codebase and VSCode extensions in general… so it would be very useful to have feedback from someone who is actually affected by this problem.