feat: implement add media to album functionality with dialog and API integration

libertas_core/src/services.rs

@@ -58,6 +58,7 @@ pub trait AlbumService: Send + Sync {
         media_id: Uuid,
         user_id: Uuid,
     ) -> CoreResult<()>;
+    async fn get_album_media(&self, album_id: Uuid, user_id: Uuid) -> CoreResult<Vec<Media>>;
 }
 
 #[async_trait]