Kiosk: Add a tool to allow the devs and the support team to modify the message "Placez votre carte d'assurance maladie sous la borne" on the registration page

– Affected user(s): Admin and receptionist who need to assist patients who don’t understand the message.

– Task affected: Registering patient presence using the kiosk.

– Impact: Time spent by secretaries assisting these patients.

– Current state:

Unable to change the message on the registration page
Patients go see a receptionist when they don’t understand the message.

– Competitive consideration: N/A