fix: Ajout des niveaux scolaires dans le back [#27]

Back-End/Subscriptions/models.py

@@ -66,6 +66,11 @@ class Student(models.Model):
         PS = 2, _('PS - Petite Section')
         MS = 3, _('MS - Moyenne Section')
         GS = 4, _('GS - Grande Section')
+        CP = 5, _('CP')
+        CE1 = 6, _('CE1')
+        CE2 = 7, _('CE2')
+        CM1 = 8, _('CM1')
+        CM2 = 9, _('CM2')
 
     photo = models.FileField(
         upload_to=registration_photo_upload_to,