totp => otp, integrate with factors, new setup form

passbook/otp/urls.py

@@ -0,0 +1,12 @@
+"""passbook OTP Urls"""
+
+from django.urls import path
+
+from passbook.otp import views
+
+urlpatterns = [
+    path('', views.UserSettingsView.as_view(), name='otp-user-settings'),
+    path('qr/', views.QRView.as_view(), name='otp-qr'),
+    path('enable/', views.EnableView.as_view(), name='otp-enable'),
+    path('disable/', views.DisableView.as_view(), name='otp-disable'),
+]