v0.1.2: Multi-server architecture + security cleanup

- Implement multi-server Traefik + Sablier architecture
- Add label-based automatic service discovery
- Create separate Sablier stack deployment
- Add remote server deployment workflow (Option 3)
- Add 9 new functions for multi-server management
- Remove deprecated config-templates folder
- Replace hardcoded private data with placeholders
- Update backup timestamp format to YY_MM_DD_hh_mm
- Add markup.yml to .gitignore

Breaking changes:
- Removed Sablier from core docker-compose.yml (now separate stack)
- Config templates moved from config-templates/ to docker-compose/core/
- REQUIRED_VARS now dynamic based on deployment type

docker-compose/core/traefik/traefik.yml

@@ -27,7 +27,7 @@ entryPoints:
 certificatesResolvers:
   letsencrypt:
     acme:
-      email: kelinshomelab@gmail.com  # Your email for Let's Encrypt notifications
+      email: admin@example.com  # Your email for Let's Encrypt notifications
       caServer: https://acme-v02.api.letsencrypt.org/directory  # Use staging for testing
       storage: /letsencrypt/acme.json
       # DNS challenge - For wildcard certificates (*.yourdomain.duckdns.org)