add: add income model and income create and list apig

core/apps/finance/admin/__init__.py

@@ -1,3 +1,4 @@
 from .cash_transaction import * 
 from .payment_type import *
-from .type_income import *
+from .type_income import *
+from .income import *

core/apps/finance/admin/income.py

@@ -0,0 +1,9 @@
+from django.contrib import admin 
+
+from core.apps.finance.models import Income
+
+
+@admin.register(Income)
+class IncomeAdmin(admin.ModelAdmin):
+    list_display = ['id', 'price', 'cash_transaction']
+    list_filter = ['cash_transaction', 'payment_type']