api: automatically rediscover locks from CCUJack

closes CCCHH/dooris#5

api/src/dooris_api/app.py

@@ -1,7 +1,6 @@
 from typing import Optional, List, AsyncIterable
 import logging
 import secrets
-import sys
 from datetime import datetime, UTC
 from fastapi import FastAPI, Request, Response, status
 from fastapi.responses import RedirectResponse
@@ -36,8 +35,7 @@ async def lifespan(app: FastAPI):
         auth=BasicAuth(app_cfg.ccujack_user, app_cfg.ccujack_password),
         mqtt_conn=app_cfg.ccujack_mqtt,
     )
-    await app.extra["ccujack"].connect_mqtt()
-    await app.extra["ccujack"].find_locks()
+    await app.extra["ccujack"].start()
 
     yield