feat(appflowy): add AppFlowy service

[MMTE]

Changes

1. Added AppFlowy service configuration in templates/compose/appflowy.yaml with:

• Core services:
  • smtp4dev - For email testing
  • minio - For S3-compatible storage
  • postgres - Database with pgvector extension
  • redis - For caching and messaging
  • gotrue - Authentication service
  • appflowy_cloud - Main backend API
  • appflowy_web - Web frontend
  • admin_frontend - Admin panel
  • ai - AI service
  • appflowy_worker - Background worker
  • nginx - Reverse proxy

2. Added service template configuration in templates/service-templates.json:

   • Name: "appflowy"
   • Documentation link
   • Slogan: "Open Source Alternative to Notion - Self-hosted Collaborative Knowledge Base"
   • Tags: productivity, notes, knowledge-base, collaboration, document
   • Port: 80
   • Logo path: "svgs/appflowy.svg"

3. Environment Configuration:

   • Database credentials and configuration
   • Redis settings
   • MinIO storage configuration
   • Authentication settings
   • SMTP settings for email
   • OAuth provider configurations
   • AI service settings

4. Added comprehensive NGINX configuration with:

   • WebSocket support
   • CORS configuration
   • Proxy settings for all services
   • Health checks
   • File upload limits
   • Proper routing for all components

Issues

• fix [Enhancement]: AppFlowy Serice #4458

/claim #4458