[Feature] Changes required for non public tenants (#370)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#370

envipath/urls.py

@@ -40,6 +40,9 @@ if "migration" in s.INSTALLED_APPS:
 if s.MS_ENTRA_ENABLED:
     urlpatterns.append(path(f"{PATH_PREFIX}", include("epauth.urls")))
 
+if s.TENANT != "public":
+    urlpatterns.append(path(f"{PATH_PREFIX}", include(f"{s.TENANT}.urls")))
+
 # Custom error handlers
 handler400 = "epdb.views.handler400"
 handler403 = "epdb.views.handler403"