doc and style: formatted the whole codebase to pep8 plus added documentation where necessary

app/Controller/anime_screen.py

@@ -9,6 +9,8 @@ Cache.register("data.anime", limit=20, timeout=600)
 
 
 class AnimeScreenController:
+    """The controller for the anime screen
+    """
     def __init__(self, model: AnimeScreenModel):
         self.model = model
         self.view = AnimeScreenView(controller=self, model=self.model)
@@ -17,6 +19,12 @@ class AnimeScreenController:
         return self.view
 
     def update_anime_view(self, id: int, caller_screen_name: str):
+        """method called to update the anime screen when a new 
+
+        Args:
+            id (int): the anilst id of the anime
+            caller_screen_name (str): the screen thats calling this method; used internally to switch back to this screen
+        """
         if self.model.anime_id != id:
             if cached_anime_data := Cache.get("data.anime", f"{id}"):
                 data = cached_anime_data