Supporting signature verification for JWTs

[rounakdatta]

New feature motivation

The JWT decoder is already quite amazing, it would be great if it has a signature validator like in jwt.io.

I'd love to work on this :)

[recurser]

@rounakdatta I was actually keen to get that added, but didn't understand the signature side of things enough. If you have time to work on it a PR would be much appreciated 👏