Add Student.supervisor and mentor

stages/migrations/0006_student_supervisor_mentor.py

@@ -0,0 +1,21 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stages', '0005_extend_student_avs'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='student',
+            name='mentor',
+            field=models.ForeignKey(blank=True, null=True, on_delete=models.deletion.SET_NULL, related_name='rel_mentor', to='stages.CorpContact', verbose_name='Mentor'),
+        ),
+        migrations.AddField(
+            model_name='student',
+            name='supervisor',
+            field=models.ForeignKey(blank=True, null=True, on_delete=models.deletion.SET_NULL, related_name='rel_supervisor', to='stages.CorpContact', verbose_name='Superviseur'),
+        ),
+    ]