# Functions
FetchSpotifyAuthToken takes in a firestoreClient and returns a SpotifyAuthToken.
GetMediaFromFirestore takes in a firestoreClient, mediaProvider and the mediaId and checks to see if the media exists.
# Structs
SpotifyAlbumData includes the response from an album in Spotify.
SpotifyArtistData includes the response from an artist in Spotify.
SpotifyTrackData includes the reponse from a track in Spotify.