Some refactor. Some docstrings.

start.py

@@ -3,10 +3,11 @@ import logging
 from aiohttp import web
 
 from config import config
+from telegram import telegram_bot, telegram_dispatcher
 import db
-from web import app
-
+from web import create_app
 
+app = create_app(telegram_bot, telegram_dispatcher, config)
 logging.basicConfig(level=logging.INFO)