add simple docstrings

apps/member/forms.py

@@ -9,6 +9,9 @@ from django import forms
 from .models import Profile
 
 class ProfileForm(forms.ModelForm):
+    """
+    Forms pour la création d'un profile utilisateur.
+    """
     class Meta:
         model = Profile
         fields = '__all__'

apps/member/models.py

@@ -110,6 +110,9 @@ class Role(models.Model):
 
 
 class Membership(models.Model):
+    """
+    Register the membership of a user to a club, including roles and membership duration.
+    """
     user = models.ForeignKey(
         settings.AUTH_USER_MODEL,
         on_delete=models.PROTECT