django-tenants added, and configurated customers app

core/apps/customers/models/client.py

@@ -0,0 +1,10 @@
+from django.db import models
+
+from django_tenants.models import TenantMixin
+
+
+class Client(TenantMixin):
+    name = models.CharField(max_length=100)
+    created_at = models.DateField(auto_now_add=True)
+
+    auto_create_schema = True