🎨 SourceIterator can yield addtitional data

SourceIterator-s can yield a game and a tuple of additional data.
This data will be passed to the Store, Pipeline and Managers.

src/store/managers/file_manager.py

@@ -8,5 +8,5 @@ class FileManager(AsyncManager):
 
     run_after = set((SteamAPIManager,))
 
-    def manager_logic(self, game: Game) -> None:
+    def manager_logic(self, game: Game, _additional_data: tuple) -> None:
         game.save()