begin refactor product to user orders instead of single order

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

uncloud_service/migrations/0004_auto_20200809_1237.py

@@ -0,0 +1,32 @@
+# Generated by Django 3.1 on 2020-08-09 12:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_pay', '0013_auto_20200809_1237'),
+        ('uncloud_service', '0003_auto_20200808_1953'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='genericserviceproduct',
+            name='order',
+        ),
+        migrations.RemoveField(
+            model_name='matrixserviceproduct',
+            name='order',
+        ),
+        migrations.AddField(
+            model_name='genericserviceproduct',
+            name='orders',
+            field=models.ManyToManyField(to='uncloud_pay.Order'),
+        ),
+        migrations.AddField(
+            model_name='matrixserviceproduct',
+            name='orders',
+            field=models.ManyToManyField(to='uncloud_pay.Order'),
+        ),
+    ]