🚀 Add automatic deployment system

- Add auto-deploy.sh script with full CI/CD pipeline
- Add quick-deploy.sh for fast development deployments
- Add Git post-receive hook for automatic deployment on push
- Add comprehensive deployment documentation
- Add npm scripts for easy deployment management
- Include health checks, logging, and cleanup
- Support for automatic rollback on failures

env.example

@@ -0,0 +1,31 @@
+# Portfolio Environment Configuration
+# Copy this file to .env and fill in your values
+
+# Application
+NODE_ENV=production
+NEXT_PUBLIC_BASE_URL=https://dki.one
+
+# Ghost CMS
+GHOST_API_URL=https://your-ghost-instance.com
+GHOST_API_KEY=your-ghost-api-key
+
+# Email Configuration
+MY_EMAIL=your-email@example.com
+MY_INFO_EMAIL=your-info-email@example.com
+MY_PASSWORD=your-email-password
+MY_INFO_PASSWORD=your-info-email-password
+
+# Database (if using external database)
+# DATABASE_URL=postgresql://username:password@localhost:5432/portfolio
+
+# Analytics
+# NEXT_PUBLIC_UMAMI_URL=https://analytics.dk0.dev
+# NEXT_PUBLIC_UMAMI_WEBSITE_ID=your-website-id
+
+# Security
+# JWT_SECRET=your-jwt-secret
+# ENCRYPTION_KEY=your-encryption-key
+
+# Monitoring
+# SENTRY_DSN=your-sentry-dsn
+# LOG_LEVEL=info