include email in user search

src/pages/users.tsx

@@ -13,6 +13,7 @@ const Users = () => {
 		let filteredUsers = rawUsers.filter(user => {
 			return user.nom.toLowerCase().includes(search.toLowerCase()) ||
 				user.prenom.toLowerCase().includes(search.toLowerCase()) ||
+				user.email.toLowerCase().includes(search.toLowerCase()) ||
 				user.studentNumber.toString().toLowerCase().includes(search.toLowerCase());
 		});
 		setUsersList(filteredUsers);