bump web5 spec (#49)

* bump web5 spec

* fix test

update presentation definition model (#35)

conform pex to equatable (#34)

bump OSSF scorecard action (#33)

Implement JWT signing (#22)

JWT signatures are required for accessing authenticated tbDEX endpoints.

Currently, there isn't a need for Swift to verify a JWT, as that is done on the server side only, so that is not implemented yet.

Implement JWS.sign & JWS.verify (#11)

Remove explicit protocols, they did more harm than good right now

Formatter