Feature: Add migrations for private property of pin

core/migrations/0007_pin_private.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.26 on 2020-02-11 05:32
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0006_remove_pin_origin'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='pin',
+            name='private',
+            field=models.BooleanField(default=False),
+        ),
+    ]