improve cameras

cleanify cameras inventory, allow for multiple cams per restaurant, cleanify rtsp capture, fix websockets in video-capture, allow detection of checkouts

backend/db/crud.py

@@ -231,7 +231,7 @@ def get_news(place: str, db: Session):
     next_timetable = None
     for time_slot in opening_hours:
         if current_date.time() < time_slot.open_time:
-            next_timetable=time_slot.open_time
+            next_timetable = time_slot.open_time
             break
     if not next_timetable:
         closure = db.query(