feat: add public homepage and downloads

apps/portal/urls.py

@@ -1,11 +1,11 @@
 from allauth.account.views import LoginView, LogoutView, SignupView
 from django.urls import path
-from django.views.generic import RedirectView
 
 from .views import (
     ApiKeyDeleteView,
     ApiKeyListCreateView,
     DashboardView,
+    HomeView,
     ModelCatalogView,
     RechargePageView,
     RechargeRecordListView,
@@ -13,7 +13,7 @@ from .views import (
 )
 
 urlpatterns = [
-    path("", RedirectView.as_view(pattern_name="portal-dashboard", permanent=False), name="portal-home"),
+    path("", HomeView.as_view(), name="portal-home"),
     path("signup", SignupView.as_view(), name="portal-signup"),
     path("login", LoginView.as_view(), name="portal-login"),
     path("logout", LogoutView.as_view(), name="portal-logout"),