add finance app

core/apps/finance/urls.py

@@ -0,0 +1,12 @@
+from django.urls import path, include
+
+from core.apps.finance.views import cash_transaction as cash_views
+
+
+urlpatterns = [
+    path('cash_transaction/', include(
+        [
+            path('list/', cash_views.CashTransactionListApiView.as_view()),
+        ]
+    ))
+]