Creation of the pump syringe class with basic functions (setters and getters) done with a json document

Complete modification of the syringe class with basic functions (setters and getters) throough a Json document

Creation of a syringe class filled with basic functions (setters and getters) through a json document

the manageEmergency function

Ajout d'une fonction booléenne pour savoir si le moteur tourne (dans l'objectif de noter l'état du moteur sur l'interface graphique).