add recent history of requests in tree view

[rohinivsenthil]

[mrsauravsahu]

👍 Waiting for this.

[peipeiguo]

I am also waiting for this, hope some requests can be save as favorites and use it again when start vscode next time.

[Avey777]

是的，很期待这个功能

[zszen]

me too

[epfromer]

super useful