9a30b69561
This PR contains the work done to implement the *Authentication* endpoints of the Discogs API: * GET `/oauth/request_token` * POST `/oauth/access_token` * GET `/oauth/identity` Reviewed-on: #9 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>