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

app/Model/anime_screen.py

@@ -1,19 +1,12 @@
-import json
-import os
 from Model.base_model import BaseScreenModel
 from libs.anilist import AniList
-from Utility.media_card_loader import MediaCardLoader
-from kivy.storage.jsonstore import JsonStore
 
-user_data= JsonStore("user_data.json")
 class AnimeScreenModel(BaseScreenModel):
+    """the Anime screen model
+    """
     data = {}
     anime_id = 0
     
-    def media_card_generator(self):
-        for anime_item in self.data["data"]["Page"]["media"]:
-            yield MediaCardLoader.media_card(anime_item)
-
     def get_anime_data(self,id:int):
         return AniList.get_anime(id)