add fancy page

core/urls.py

@@ -2,9 +2,10 @@ from django.contrib.auth.decorators import login_required
 from django.urls import path
 from django.views.generic import RedirectView
 
-from core.views import SubjectsView
+from core.views import BalanceView, SubjectsView
 
 urlpatterns = [
     path("", RedirectView.as_view(pattern_name="core:subjects", permanent=False), name="index"),
+    path("balance/", login_required(BalanceView.as_view()), name="balance"),
     path("subjects/", login_required(SubjectsView.as_view()), name="subjects"),
 ]