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).

global define template file

fix running on host, automatically starts firefox

See merge request !14

corrected images glitch in README

See merge request !13