feat: implement favorites functionality with SoundCard integration and FavoritesService

src/lib/api/services/sounds.ts

@@ -17,6 +17,8 @@ export interface Sound {
   thumbnail?: string
   is_music: boolean
   is_deletable: boolean
+  is_favorited: boolean
+  favorite_count: number
   created_at: string
   updated_at: string
 }