add: add income model and income create and list apig

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']