👔(backend) doc restricted by default

By default a created document was in "authenticated"
mode, we switch to "restricted" by default.

src/backend/core/migrations/0008_alter_document_link_reach.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2024-10-25 11:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0007_fix_users_duplicate'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='document',
+            name='link_reach',
+            field=models.CharField(choices=[('restricted', 'Restricted'), ('authenticated', 'Authenticated'), ('public', 'Public')], default='restricted', max_length=20),
+        ),
+    ]