add experimental HaveIBeenPwned Password Policy

passbook/hibp_policy/migrations/0001_initial.py

@@ -0,0 +1,28 @@
+# Generated by Django 2.1.7 on 2019-02-25 15:50
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('passbook_core', '0011_auto_20190225_1438'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HaveIBeenPwendPolicy',
+            fields=[
+                ('policy_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='passbook_core.Policy')),
+                ('allowed_count', models.IntegerField(default=0)),
+            ],
+            options={
+                'verbose_name': 'HaveIBeenPwned Policy',
+                'verbose_name_plural': 'HaveIBeenPwned Policies',
+            },
+            bases=('passbook_core.policy',),
+        ),
+    ]