- Added PricingPlan Model

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

uncloud_pay/migrations/0012_auto_20210630_0742.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.4 on 2021-06-30 07:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_pay', '0011_auto_20210101_1308'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='billingaddress',
+            name='vat_number_verified',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='payment',
+            name='source',
+            field=models.CharField(choices=[('wire', 'Wire Transfer'), ('stripe', 'Stripe'), ('voucher', 'Voucher'), ('referral', 'Referral')], max_length=256),
+        ),
+    ]