add Custom Playlist Cover Image
suspend fun addCustomPlaylistCoverImage(playlistId: String, imageBase64Jpeg: String): SpotifyApiResponse<Boolean>
Uploads a custom cover image for a Spotify playlist.
Return
Wrapped Spotify API response. data is true when Spotify accepted the operation.
Parameters
playlist Id
Spotify playlist ID.
image Base64Jpeg
Base64-encoded JPEG image data for the playlist cover upload.