[+] reuse settings from tickers

deps/test-task-2025-06-30-v1/python/online/fxreader/pr34/test_task_2025_06_30_v1/async_api/app.py

@@ -1,14 +1,15 @@
 import asyncio
-import os
+# import os
 from ..tickers_retrieval.emcont import Emcont
 from ..tickers.models import Ticker
+from ..tickers.settings import Settings as ModelsSettings
 import sqlalchemy.ext.asyncio
 
 from typing import Any
 
 async def run() -> None:
 	engine = sqlalchemy.ext.asyncio.create_async_engine(
-		os.environ['DB_URL']
+		ModelsSettings.singleton().db_url
 	)
 	async_session = sqlalchemy.ext.asyncio.async_sessionmaker(
 		engine