Implement URL.parse()

[annevk]

See whatwg/url#825 for context.

[lemire]

So the idea is essentially that you'd do like new URL(a,b) but URL.parse(a,b) would just not throw unlike new URL... correct?

@anonrig

[mertcanaltin]

I'm sorry, I saw it wrong.

[thisalihassan]

I will raise a PR for this