Matus Sabo

Connection upgrade support only websocket

1

Following code accept only upgrade header equal to `websocket`, thats not correct as stated in [link](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Upgrade) https://github.com/nxtedition/node-http2-proxy/blob/999b05fd4c5365b7de8d6bb8aa125f9cc90a50bf/index.js#L30-L58 For example, the client might send a GET request as shown, listing the...