Add documentation and usage for searchParams feature #4
Description
Need to compose a query URL like https://example.com?a=foo,b=bar
the searchParams API is for you! It also takes care of encoding the params properly.
https://github.com/sindresorhus/ky#searchparams
https://github.com/sindresorhus/ky/blob/master/index.js#L275
https://repl.it/repls/IncomparableNimbleStaff