Add n8n test mode toggle and edge function improvements

- Add test/production toggle for n8n webhook URLs in IntegrasiTab
- Update create-meet-link function to use database test_mode setting
- Add send-email-v2 edge function for Mailketing API integration
- Update daily-reminders and send-consultation-reminder to use send-email-v2
- Remove deprecated branding field from BrandingTab
- Update domain references from hub.dwindi.com to with.dwindi.com
- Add environment variables for Coolify deployment
- Add comprehensive edge function test script
- Update payment flow redirect to order detail page

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

supabase/config.toml

@@ -32,3 +32,6 @@ verify_jwt = false
 
 [functions.daily-reminders]
 verify_jwt = false
+
+[functions.send-email-v2]
+verify_jwt = false