share submission

problem/migrations/0014_problem_share_submission.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1.7 on 2019-03-13 09:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problem', '0013_problem_io_mode'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='problem',
+            name='share_submission',
+            field=models.BooleanField(default=False),
+        ),
+    ]