phase2: add modular apps, auth scaffolding, and base template routing

apps/ingestion/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from .views import IngestionHomeView
+
+app_name = "ingestion"
+
+urlpatterns = [
+    path("", IngestionHomeView.as_view(), name="index"),
+]