feat: fix metadata embedding

lib/app.go

@@ -4,12 +4,13 @@ type App struct {
 	UserAgent           string // User agent used for scraping requests
 	SelectedTidalApiUrl string
 	Verbose             bool
+	SpotifyClient       *SpotifyClient
 }
 
 func NewApp() App {
 	return App{
 		UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36",
-		Verbose: false,
+		Verbose:   false,
 	}
 }
 
@@ -19,5 +20,9 @@ func (app *App) Init() error {
 		return err
 	}
 
+	if err := app.InitSpotifyClient(); err != nil {
+		return err
+	}
+
 	return nil
 }