Separated loader with dp, bot and storage and added app,

which we'll be executing

app.py

@@ -0,0 +1,23 @@
+from loader import bot, storage
+
+
+async def on_startup(dp):
+    import filters
+    import middlewares
+    filters.setup(dp)
+    middlewares.setup(dp)
+
+    from utils.notify_admins import on_startup_notify
+    await on_startup_notify(dp)
+
+
+async def on_shutdown(dp):
+    await bot.close()
+    await storage.close()
+
+
+if __name__ == '__main__':
+    from aiogram import executor
+    from handlers import dp
+
+    executor.start_polling(dp, on_startup=on_startup)