Merge put and get routes into 'guest-info' route
I modified the routes as specified.
Relates to https://gitlab.com/LibreFoodPantry/client-solutions/theas-pantry/guestinfosystem/backend/-/issues/6
I modified the routes as specified.
Relates to https://gitlab.com/LibreFoodPantry/client-solutions/theas-pantry/guestinfosystem/backend/-/issues/6