add .env file in project and add use

main.py

@@ -6,13 +6,16 @@ from aiogram.client.default import DefaultBotProperties
 from aiogram.enums import ParseMode
 from aiogram.filters import Command
 from aiogram.types import Message
+import environs
 
 from DB import UseDB
 from additional_functions import (on_notification, set_group, timetable_for_day,
                                   timetable_day)
 from use_database import detect_group_to_update
 
-TOKEN = "7171391557:AAGickIyKK-kCAWUO4V_5X3m1_6F4Cmgmdw"
+env = environs.Env()
+env.read_env()
+TOKEN = env.str('TOKEN')
 dp = Dispatcher()