Add Paperless-ngx to production deployment

- Add Paperless-ngx service to Docker Compose configuration
- Configure nginx routing for /paperless/ path with large file support
- Add production environment variables for Paperless
- Create automated setup script for initial Paperless configuration
- Add comprehensive production setup documentation
- Configure Paperless with HTTPS and proper database setup
- Update Django app to use production Paperless instance

env-template.txt

@@ -14,23 +14,24 @@ DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1
 # SECRET_KEY=your-production-secret-key-here
 # ALLOWED_HOSTS=your-domain.com,www.your-domain.com,localhost,127.0.0.1
 
-# HTTPS Security Settings (enable after SSL certificate is installed)
-# SECURE_SSL_REDIRECT=True
-# SESSION_COOKIE_SECURE=True
-# CSRF_COOKIE_SECURE=True
-# SECURE_HSTS_SECONDS=31536000
-# SECURE_HSTS_INCLUDE_SUBDOMAINS=True
-# SECURE_HSTS_PRELOAD=True
-
 LANGUAGE_CODE=de
 TIME_ZONE=Europe/Berlin
 
 # Redis Configuration
 REDIS_URL=redis://redis:6379/0
 
-# Paperless-ngx Integration
-PAPERLESS_API_URL=http://192.168.178.167:30070
-PAPERLESS_API_TOKEN=e7107a43b6bef6707f11d7f7462708b87be3123c
+# Paperless-ngx Production Configuration
+PAPERLESS_DB=paperless_prod
+PAPERLESS_USER=paperless_user
+PAPERLESS_PASSWORD=secure-paperless-password
+PAPERLESS_ADMIN_USER=admin
+PAPERLESS_ADMIN_PASSWORD=secure-admin-password
+PAPERLESS_ADMIN_MAIL=admin@vhtv-stiftung.de
+PAPERLESS_SECRET_KEY=generate-paperless-secret-key
+
+# Paperless-ngx Integration (for Django app)
+PAPERLESS_API_URL=https://vhtv-stiftung.de/paperless
+PAPERLESS_API_TOKEN=your-api-token-here
 # Tag-Namen (mit Unterstrichen, wie in Paperless NGX umbenannt)
 PAPERLESS_REQUIRED_TAG=Stiftung_Destinatäre
 PAPERLESS_LAND_TAG=Stiftung_Land_und_Pächter