Add forgotten migration

stages/migrations/0021_teacher_can_examinate.py

@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stages', '0020_teacher_to_user_link'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='teacher',
+            name='can_examinate',
+            field=models.BooleanField(default=False, verbose_name='Peut corriger examens candidats'),
+        ),
+    ]