changes

backend/db/crud.py

backend/db/models.py

backend/db/schemas.py

backend/main.py

backend/routers/__init__.py

backend/routers/authentication.py

backend/routers/news.py

backend/routers/stats.py

backend/video_capture.py

frontend/src/components/Comments.js

frontend/src/components/Graph.js

frontend/src/components/Header.js

frontend/src/components/WaitingTime.js

frontend/src/index.js

frontend/src/views/Details.js

frontend/src/views/Restaurant.js

frontend/src/views/index.js