add new model and change offer models

config/settings/base.py

@@ -29,6 +29,7 @@ APPS = [
     'core.apps.projects',
     'core.apps.orders',
     'core.apps.finance',
+    'core.apps.counterparty',
 ]
 
 PACKAGES = [

config/urls.py

@@ -34,6 +34,7 @@ urlpatterns = [
             path('products/', include('core.apps.products.urls')),
             path('orders/', include('core.apps.orders.urls')),
             path('finance/', include('core.apps.finance.urls')),
+            path('counterparties/', include('core.apps.counterparty.urls')),
         ]
     )),