Ajout de la partie gestion

front_thomas/src/components/Login/Gestion.js

front_thomas/src/components/Login/Gestion/Admin.js

...as/src/components/Login/Gestion/GestionAdministrateurs.js

front_thomas/src/components/Login/Gestion/GestionEquipes.js

..._thomas/src/components/Login/Gestion/GestionEvenements.js

...t_thomas/src/components/Login/Gestion/GestionObjectifs.js

...homas/src/components/Login/Gestion/GestionParticipants.js

front_thomas/src/components/Login/Gestion/GestionScore.js

...in/Gestion/gestionAdministrateurs/DeleteAdministrateur.js

...ogin/Gestion/gestionAdministrateurs/EditAdministrateur.js

...in/Gestion/gestionAdministrateurs/NouvelAdministrateur.js

...ion/gestionAdministrateurs/TableauAdministrateursAdmin.js

...c/components/Login/Gestion/gestionEquipes/DeleteEquipe.js

...src/components/Login/Gestion/gestionEquipes/EditEquipe.js

...components/Login/Gestion/gestionEquipes/NouvelleEquipe.js

...nents/Login/Gestion/gestionEquipes/TableauEquipesAdmin.js

...nents/Login/Gestion/gestionEvenements/AfficheEvenement.js

...onents/Login/Gestion/gestionEvenements/DeleteEvenement.js

...onents/Login/Gestion/gestionEvenements/NouvelEvenement.js

...Login/Gestion/gestionEvenements/TableauEvenementsAdmin.js