Update README.md - forget() is not a Promise (#20)
Update README.md - forget() is not a Promise (#20)

`cordova.plugins.spotifyAuth.forget();` is not a Promise. The API documentation site is correct on this.
Festify/cordova-spotify-oauth,Festify/cordova-spotify-oauth,Festify/cordova-spotify-oauth,Festify/cordova-spotify-oauth,Festify/cordova-spotify-oauth