Add complete frontend implementation and Docker deployment setup

- Implement React frontend with TypeScript and Tailwind CSS
- Add scrappbook.de-inspired UI design with photo galleries
- Implement authentication, photo viewing, and download features
- Add Docker Swarm configuration with Traefik reverse proxy
- Set up Drone CI/CD pipeline for automated deployments
- Add monitoring stack with Prometheus and Grafana
- Create comprehensive deployment documentation
- Add simple local development setup with docker-compose.local.yml

Features:
- Password-protected galleries with expiration warnings
- Responsive photo grid with lightbox viewer
- Bulk download functionality
- Hot reload development environment
- Email testing with Mailhog
- Production-ready deployment scripts

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/vite.config.ts

@@ -0,0 +1,21 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 5173,
+    host: true,
+    proxy: {
+      '/api': {
+        target: 'http://backend:3000',
+        changeOrigin: true,
+      },
+      '/photos': {
+        target: 'http://backend:3000',
+        changeOrigin: true,
+      },
+    },
+  },
+})