Add Google Calendar integration via Supabase Edge Functions

- Create new create-google-meet-event edge function
- Use service account authentication (no OAuth needed)
- Add google_service_account_json field to platform_settings
- Add admin UI for service account JSON configuration
- Include test connection button in Integrasi tab
- Add comprehensive setup documentation
- Keep n8n workflows as alternative option

Features:
- Direct Google Calendar API integration
- JWT authentication with service account
- Auto-create Google Meet links
- No external dependencies needed
- Simple configuration via admin panel

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

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

deploy-edge-functions.sh

@@ -2,7 +2,7 @@
 
 # Configuration
 SUPABASE_URL="https://lovable.backoffice.biz.id"
-SERVICE_ROLE_KEY="$SUPABASE_ACCESS_TOKEN"
+SERVICE_ROLE_KEY="eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJzdXBhYmFzZSIsImlhdCI6MTc2NjAzNzEyMCwiZXhwIjo0OTIxNzEwNzIwLCJyb2xlIjoic2VydmljZV9yb2xlIn0.t6D9VwaukYGq4c_VbW1bkd3ZkKgldpCKRR13nN14XXc"
 
 # Function to deploy edge function
 deploy_function() {