feat: Gestion des profils des enseignants / Visualisation d'une classe [#4]

Front-End/messages/en/students.json

@@ -3,6 +3,7 @@
     "addStudent": "New",
     "allStudents": "All Students",
     "pending": "Pending Registrations",
+    "subscribed": "Subscribed",
     "archived": "Archived",
     "name": "Name",
     "class": "Class",
@@ -25,6 +26,7 @@
     "mainContactMail":"Main contact email",
     "phone":"Phone",
     "lastUpdateDate":"Last update",
+    "classe":"Class",
     "registrationFileStatus":"Registration file status",
     "files":"Files"
 }