ci: add automated Gitea Actions deployment workflow for Synology NAS

- Add Gitea Actions workflow for automated build and deployment
- Add deployment script for Synology NAS
- Add Docker Compose configurations for production deployment
- Add Gitea runner setup
- Add comprehensive documentation for CI/CD setup
- Add health check endpoint for deployment verification
- Update .gitignore for CI/CD artifacts

.env.synology.example

@@ -0,0 +1,75 @@
+# Laravel Application Configuration für Synology NAS Deployment
+# Kopiere diese Datei zu .env.synology und passe die Werte an
+
+# ============================================
+# Application Settings
+# ============================================
+APP_NAME=Laravel
+APP_ENV=production
+APP_KEY=base64:L9RVZ3pNFyAvTbMqicT1rL5GbgE+7lJerkU9wyc95H8=
+APP_DEBUG=false
+APP_URL=http://your-synology-ip:8080
+
+APP_LOCALE=en
+APP_FALLBACK_LOCALE=en
+APP_FAKER_LOCALE=en_US
+
+APP_MAINTENANCE_DRIVER=file
+
+BCRYPT_ROUNDS=12
+
+# ============================================
+# Logging
+# ============================================
+LOG_CHANNEL=stack
+LOG_STACK=single
+LOG_DEPRECATIONS_CHANNEL=null
+LOG_LEVEL=info
+
+# ============================================
+# Database - PostgreSQL (Haupt-Datenbank)
+# ============================================
+DB_CONNECTION2=pgsql
+DB_HOST2=postgres
+DB_PORT2=5432
+DB_DATABASE2=ingest_db
+DB_USERNAME2=ingest_user
+DB_PASSWORD2=ingest_pwd
+
+# ============================================
+# Session & Cache
+# ============================================
+SESSION_DRIVER=file
+SESSION_LIFETIME=120
+SESSION_ENCRYPT=false
+SESSION_PATH=/
+SESSION_DOMAIN=null
+
+# ============================================
+# Broadcasting & Queues
+# ============================================
+BROADCAST_CONNECTION=log
+QUEUE_CONNECTION=sync
+
+# ============================================
+# Cache
+# ============================================
+CACHE_STORE=file
+FILESYSTEM_DISK=local
+
+# ============================================
+# Mail Configuration
+# ============================================
+MAIL_MAILER=log
+MAIL_SCHEME=null
+MAIL_HOST=127.0.0.1
+MAIL_PORT=2525
+MAIL_USERNAME=null
+MAIL_PASSWORD=null
+MAIL_FROM_ADDRESS="hello@example.com"
+MAIL_FROM_NAME="${APP_NAME}"
+
+# ============================================
+# Vite
+# ============================================
+VITE_APP_NAME="${APP_NAME}"