`WebSocket` polyfill for Node.js

[Pooya Parsa]

The Websocket global is not available for Node.js other than by importing it from node:ws.

Browsers, Deno and Bun already have a native implementation of WebSocket....

(i might even consider making a package for this!) Found sxzz/unws!

[Pooya Parsa]

Thinking more it could be in Nitro directly in first step.