Open in Spotify desktop client by Joao Sa

Instead of opening <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/8009c66002a43d7cfd1332cd215120bef542b9f2dc35c13541ec9ef2a67a9903/http%3A//open.spotify.com">open.spotify.com</a> and <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f3a0227b76ac0b8112cfe10f47a8680bbd578256d4adbbaf4c7d66657db139b6/http%3A//play.spotify.com">play.spotify.com</a> links in the browser they will always be opened in the Spotify desktop client. Port of <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/7a6ef389145a31ce40c4e984f226c7a04f1955f9d08d91c35c222e68af0a7f47/https%3A//github.com/gaqzi/chrome-open-in-spotify-client">https://github.com/gaqzi/chrome-open-in-spotify-client</a>