Add URL parser to lua runtime

[Isan-Rivkin]

Closes #6598
usage:

> local url = require("net/url")
> url.parse("https://example.com/path?p1=a#section")
{
    ["host"] = "example.com"
    ["path"] = "/path"
    ["scheme"] = "https"
    ["query"] = "p1=a"
    ["fragment"] = "section"
}

[github-actions]

♻️ PR Preview 170c827 has been successfully destroyed since this PR has been closed.

_{🤖 By surge-preview}

[nopcoder]

LGTM - minor comments about the doc.

[nopcoder]

Parse URL string into parts, returns a table with the URL's host, path, scheme, query and fragment.

[Isan-Rivkin]

👍