feat: Add preset shift templates, admin SMTP settings, test email dispatch, and email verification opt-out option

backend/apps/users/urls.py

@@ -4,7 +4,8 @@ from .views import (
     RegisterView, VerifyEmailView, LoginView, MeView,
     RegistrationDomainRuleViewSet, RegistrationRestrictionSettingView,
     PendingUsersView, ApproveUserView, AdminUserViewSet,
-    GenerateClaimLinkView, ClaimInfoView
+    GenerateClaimLinkView, ClaimInfoView,
+    SMTPSettingView, TestSMTPEmailView
 )
 
 router = DefaultRouter()
@@ -17,6 +18,8 @@ urlpatterns = [
     path('login/', LoginView.as_view(), name='login'),
     path('me/', MeView.as_view(), name='me'),
     path('restriction-setting/', RegistrationRestrictionSettingView.as_view(), name='restriction-setting'),
+    path('smtp-setting/', SMTPSettingView.as_view(), name='smtp-setting'),
+    path('smtp-setting/test/', TestSMTPEmailView.as_view(), name='smtp-setting-test'),
     path('pending/', PendingUsersView.as_view(), name='pending-users'),
     path('<int:user_id>/approve/', ApproveUserView.as_view(), name='approve-user'),
     path('signups/<int:signup_id>/generate-claim-link/', GenerateClaimLinkView.as_view(), name='generate-claim-link'),