feat: Initialize frontend with React, Vite, and Tailwind CSS

- Set up main entry point for React application.
- Create About, Home, NotFound, Privacy, and Terms pages with SEO support.
- Implement API service for file uploads and task management.
- Add global styles using Tailwind CSS.
- Create utility functions for SEO and text processing.
- Configure Vite for development and production builds.
- Set up Nginx configuration for serving frontend and backend.
- Add scripts for cleanup of expired files and sitemap generation.
- Implement deployment script for production environment.

scripts/deploy.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+# deploy.sh — Production deployment script for SaaS-PDF
+set -euo pipefail
+
+echo "========================================="
+echo "  SaaS-PDF Production Deployment"
+echo "========================================="
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+# Check Docker
+if ! command -v docker &> /dev/null; then
+    echo -e "${RED}Docker is not installed.${NC}"
+    exit 1
+fi
+if ! command -v docker-compose &> /dev/null && ! docker compose version &> /dev/null; then
+    echo -e "${RED}Docker Compose is not installed.${NC}"
+    exit 1
+fi
+
+# Check .env
+if [ ! -f ".env" ]; then
+    echo -e "${RED}.env file not found! Copy .env.example and configure it.${NC}"
+    exit 1
+fi
+
+echo -e "${YELLOW}1/5 — Pulling latest code...${NC}"
+git pull origin main 2>/dev/null || echo "Not a git repo or no remote, skipping pull."
+
+echo -e "${YELLOW}2/5 — Building Docker images...${NC}"
+docker compose -f docker-compose.prod.yml build --no-cache
+
+echo -e "${YELLOW}3/5 — Stopping old containers...${NC}"
+docker compose -f docker-compose.prod.yml down --remove-orphans
+
+echo -e "${YELLOW}4/5 — Starting services...${NC}"
+docker compose -f docker-compose.prod.yml up -d
+
+echo -e "${YELLOW}5/5 — Waiting for health check...${NC}"
+sleep 10
+
+# Health check
+if curl -sf http://localhost/health > /dev/null 2>&1; then
+    echo -e "${GREEN}✓ Deployment successful! Service is healthy.${NC}"
+else
+    echo -e "${RED}✗ Health check failed. Check logs:${NC}"
+    echo "  docker compose -f docker-compose.prod.yml logs backend"
+    exit 1
+fi
+
+echo ""
+echo -e "${GREEN}Deployment complete!${NC}"
+echo "  App:  http://localhost"
+echo "  Logs: docker compose -f docker-compose.prod.yml logs -f"