- Added PricingPlan Model

- Implement a complete cycle for buying a Matrix Chat Host
- Refactor the Payement cycle and stripe related methods

uncloud_pay/migrations/0013_alter_billingaddress_owner.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.2.4 on 2021-07-03 15:23
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('uncloud_pay', '0012_auto_20210630_0742'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='billingaddress',
+            name='owner',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='billing_addresses', to=settings.AUTH_USER_MODEL),
+        ),
+    ]